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Posted: 3/21/2024 8:27:52 AM EDT
[#1]
Quote HistoryOriginally Posted By trails-end: It's too bad they killed RPN. I have 2 NIB HP 32SII for when my other 5 HP RPN calculators die. I don't do much excapt +-*/, but I have to stop and think when I have to use a non RPN machine. Quote HistoryOriginally Posted By trails-end: Originally Posted By brass: You were doing so good, too.  HP15c HP42s HP48sx HP48g RPN FTW. /Calculator Discussion It's too bad they killed RPN. I have 2 NIB HP 32SII for when my other 5 HP RPN calculators die. I don't do much excapt +-*/, but I have to stop and think when I have to use a non RPN machine. There is a 15C app that I used on my i-Phone and a 48GX app for the i-Pad. (both are work issued) I am down to one 15C and one 48GX. My old SX died and my first 15C died. RPN 4 life |
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Posted: 3/21/2024 1:13:37 PM EDT
[#2]
Quote HistoryOriginally Posted By not_sure: There is a 15C app that I used on my i-Phone and a 48GX app for the i-Pad. (both are work issued) I am down to one 15C and one 48GX. My old SX died and my first 15C died. RPN 4 life Quote HistoryOriginally Posted By not_sure: Originally Posted By trails-end: Originally Posted By brass: You were doing so good, too. HP15c HP42s HP48sx HP48g RPN FTW. /Calculator Discussion It's too bad they killed RPN. I have 2 NIB HP 32SII for when my other 5 HP RPN calculators die. I don't do much excapt +-*/, but I have to stop and think when I have to use a non RPN machine. There is a 15C app that I used on my i-Phone and a 48GX app for the i-Pad. (both are work issued) I am down to one 15C and one 48GX. My old SX died and my first 15C died. RPN 4 life I have a couple apps on my android. One is the 48 and it's way faster than the actual 48. |
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Posted: 3/21/2024 1:55:51 PM EDT
[#3]
My username is DrafterDan, because I have an architectural background. First learned to draft with pencils. Didn't get into AutoCAD until about 1986 (still use it today, professionally).
I tend to like the Kohinoor brand. The Rapidomatic with the shock-absorber lead holder function is awesome! From .03mm to .09mm. The blue .07mm is the oldest, from the very late 1980's or early 90's. Might be a DraftMatic model, not sure. I still use it daily.  |
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Posted: 3/21/2024 2:22:20 PM EDT
[Last Edit: brass]
[#4]
Quote HistoryOriginally Posted By not_sure: There is a 15C app that I used on my i-Phone and a 48GX app for the i-Pad. (both are work issued) I am down to one 15C and one 48GX. My old SX died and my first 15C died. RPN 4 life Quote HistoryOriginally Posted By not_sure: Originally Posted By trails-end: Originally Posted By brass: You were doing so good, too. HP15c HP42s HP48sx HP48g RPN FTW. /Calculator Discussion It's too bad they killed RPN. I have 2 NIB HP 32SII for when my other 5 HP RPN calculators die. I don't do much excapt +-*/, but I have to stop and think when I have to use a non RPN machine. There is a 15C app that I used on my i-Phone and a 48GX app for the i-Pad. (both are work issued) I am down to one 15C and one 48GX. My old SX died and my first 15C died. RPN 4 life Swiss Micro DM-42 is about their top one and very nice. Runs decimal based (instead of binary math) Free42 OS and if you like to have one in your hand with tactile keys ( I do), saves the day but I still have 2 HP35s-II anniversary edition, 2 HP48sx/g (too big) HP 42s (favorite) and a 15C (Nostalgia). |
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Posted: 3/22/2024 12:27:43 AM EDT
[#5]
I found my grandpa’s calculator.
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Posted: 3/22/2024 12:29:48 AM EDT
[#6]
I know there’s at least one other hp one. I don’t think i have it though. Im currently digging through all his engineering stuff i saved from being thrown away.
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Posted: 3/22/2024 12:42:34 AM EDT
[#7]
@brass
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Posted: 3/22/2024 12:44:19 AM EDT
[Last Edit: brass]
[#8]
Quote HistoryOriginally Posted By Keekleberrys: I found my grandpa’s calculator. https://www.ar15.com/media/mediaFiles/12422/IMG_7998-3165848.jpg The calculator that changed the world and made all STEM fields take off in productivity putting slide rules into the estimate realm instead of the calculation and solving. Treat it nice, that is a VERY Valuable machine there, you should dust it off with a paintbrush and keep it safe, make sure you aren't leaving batteries in it to leak. Granted, were DID take a big step backwards by not having log/trig tables, log function operations, and multiplication tables memorized. These days it's a given there's always a computer and they no longer learn estimating, they look for an exact 12 digit precision number from a calculator instead of a ballpark guess of even relative order of magnitude of some concept. Significant digits aren't even taught until college apparently, too used to using every digit of their calculation instead of keeping fraction and some constants pulled out of the result so they don't see and understand the relationships that log and trig tables kind of build into your brain doing things the "slow way". The 'slow way' is actually faster since you can guesstimate close enough for go/no-go on a dozen options in the time it takes somebody to go to phone/computer and punching in a bunch of numbers and seeing the first guess result number, not realizing the significance of some constants or magnitudes. I have and can use a slide rule but mostly that's in my head now and if I need exactly numbers I use the calculator otherwise I just guesstimate and add 20% over minimum. As an example, my kid couldn't even add 20% in his head until I explained it's just 10% twice, and that's just moving a decimal point, rather than multiplying it all by 0.2 on a calculator. --ETA: Your photo is a HP41C which came out before the 15C, which was an upgrade and the horizontal format for larger display in same physical size. |
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Posted: 3/22/2024 12:47:22 AM EDT
[Last Edit: Keekleberrys]
[#9]
I know theres a horizontal format hp he also had. Just not sure if i have it.
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Posted: 3/22/2024 12:49:34 AM EDT
[Last Edit: brass]
[#10]
Quote HistoryOriginally Posted By Keekleberrys: I know theres a horizontal format hp he also had. Just not sure if i have it. Likely a 15C if he was in engineering, possibly the 11C which was the engineering "basic" calculator for half the price but not the equation solver/matrix operations or integration. Those were still $300 new, actually, all of the good ones in each "generation" were $300-$500 when released and went really cheap in the mid to late 90s then shot way back up in price now that they're rare again. --ETA: Your photo is a HP41C which came out before the 15C, which was an upgrade and the horizontal format for larger display in same physical size. |
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Posted: 3/22/2024 12:54:32 AM EDT
[Last Edit: Keekleberrys]
[#11]
Quote HistoryOriginally Posted By brass: Likely a 15C if he was in engineering, possibly the 11C which was the engineering "basic" calculator for half the price but not the programmability. Those were still $300 new, actually, all of the good ones in each "generation" were $300-$500 when released and went really cheap in the mid to late 90s then shot way back up in price now that they're rare again. Quote HistoryOriginally Posted By brass: Originally Posted By Keekleberrys: I know theres a horizontal format hp he also had. Just not sure if i have it. Likely a 15C if he was in engineering, possibly the 11C which was the engineering "basic" calculator for half the price but not the programmability. Those were still $300 new, actually, all of the good ones in each "generation" were $300-$500 when released and went really cheap in the mid to late 90s then shot way back up in price now that they're rare again. To date this he was working for Boeing in the 50’s i think he retired in 89-91 time frame . We found some of his old time cards and they look almost like flat rate time cards down to the 10th of an hour. Some of them are in reference to the xB-52! One entry is like “ xB52 Landing gear bulkhead test”. Next entry is taking an hour off to goto the doctor with my grandma. |
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MI, USA
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Posted: 3/22/2024 1:25:18 AM EDT
[Last Edit: bluemax_1]
[#12]
Quote HistoryOriginally Posted By M-60: Like this one? I think this one is almost 40 years old. https://photos.smugmug.com/Misc-II/i-txv8ppG/0/mDSN2PhJkCLMXqPv34vLSDNL9sqS3fdk2LxVQzmb/X2/A961C6CE-16D4-4901-83D0-D889D0FDA781-X2.jpg That being said, This is my current go to and has been for years and years. https://photos.smugmug.com/Miscellaneous/n-D2LWW/Misc-1/i-kQ4CNSW/0/Dq2FfGtbcfRLrLCZ6KxH9zQG7S5pczH6btBZHMQGn/XL/Pentel-XL.jpg Quote HistoryOriginally Posted By M-60: Originally Posted By Glynn863: Somewhere I have three (3) Koh-I-Noor mechanical pencils from my early mechanical design days. A 0.3 mm, a 0.5 mm, and a 0.7mm. Used them a couple of years and then transitioned into AutoCAD. I have a Rotring 600 pen in my shirt pocket as I type this. Like this one? I think this one is almost 40 years old. https://photos.smugmug.com/Misc-II/i-txv8ppG/0/mDSN2PhJkCLMXqPv34vLSDNL9sqS3fdk2LxVQzmb/X2/A961C6CE-16D4-4901-83D0-D889D0FDA781-X2.jpg That being said, This is my current go to and has been for years and years. https://photos.smugmug.com/Miscellaneous/n-D2LWW/Misc-1/i-kQ4CNSW/0/Dq2FfGtbcfRLrLCZ6KxH9zQG7S5pczH6btBZHMQGn/XL/Pentel-XL.jpg Wow… the P205. Are those still made? ***yup. Still sold. I definitely remember those from the 80s (maybe 70s?). |
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Posted: 3/23/2024 12:45:18 AM EDT
[#13]
 Independence Day - President Speech [Full HD] We should bring our two threads together. My 5 rapidesign new old stocks have shipped. I feel like a kid again unwrapping a NIW usgi mag |
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Posted: 3/23/2024 12:48:40 AM EDT
[#14]
Quote HistoryOriginally Posted By Keekleberrys: To date this he was working for Boeing in the 50’s i think he retired in 89-91 time frame . We found some of his old time cards and they look almost like flat rate time cards down to the 10th of an hour. Some of them are in reference to the xB-52! One entry is like “ xB52 Landing gear bulkhead test”. Next entry is taking an hour off to goto the doctor with my grandma. Quote HistoryOriginally Posted By Keekleberrys: Originally Posted By brass: Originally Posted By Keekleberrys: I know theres a horizontal format hp he also had. Just not sure if i have it. Likely a 15C if he was in engineering, possibly the 11C which was the engineering "basic" calculator for half the price but not the programmability. Those were still $300 new, actually, all of the good ones in each "generation" were $300-$500 when released and went really cheap in the mid to late 90s then shot way back up in price now that they're rare again. To date this he was working for Boeing in the 50’s i think he retired in 89-91 time frame . We found some of his old time cards and they look almost like flat rate time cards down to the 10th of an hour. Some of them are in reference to the xB-52! One entry is like “ xB52 Landing gear bulkhead test”. Next entry is taking an hour off to goto the doctor with my grandma. Sounds like he had a Very cool Aerospace job back when it was learning and making the most rapid advances to supersonic and beyond! P.S. HP:-15C Collectors edition is out and you can get on eBay for $125, not sure why it isn't available in more places, it was released last year but not really promoted. I'm REALLY Waiting for the HP42 Advanced Anniversary Edition since that is the one that really kicks ass while being normal calculator size instead of the HP-48/TI-89 big brick size. |
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Posted: 3/25/2024 2:30:10 PM EDT
[Last Edit: brass]
[#15]
Quote HistoryOriginally Posted By Keekleberrys: Also just replaced the batteries in the best calculator of all time. https://www.ar15.com/media/mediaFiles/12422/IMG_7995-3165037.jpg Just as an exercise, here's the difference between TI-89 and RPN: Just as an exercise, do a gain calculation:  Arbitrary artificial values for a voltage gain in decibels: Vin = 1438 Vout=32 TI-89 20 x (log(1438 ÷ 32))= RPN 1438↵32 ÷ log 20 x RPN w/logarithm identities 1438 log 32 log - 20 x As 'log' is a single keystroke on both calcs, the savings in buttons is rather radical- 11-12 keystrokes on RPN and 16 on TI (with 8 buttons being constant due to values (1428, 20, and 32) not changing, it's 4-6 buttons vs 10 buttons to calculate not including values), now repeat this calculation savings several dozen times in a design and you see why geeks like RPN to get stuff done fast and know the answer is accurate. Using the logarithm identity to shorten the division to subtraction would only add more pairs of parenthesis on the TI-89 resulting in a net gain of keystrokes.  |
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Posted: 3/25/2024 10:41:21 PM EDT
[#16]
Look how mint this one i just got in the mail today is.
 I should encase it in plastic so it never ages. The tier 1 pencil |
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Posted: 3/25/2024 10:45:42 PM EDT
[#17]
These sumbitches right here.
Thick lead for the heavy handed, cheap so when they walk off because of their superiorness there is no search, just grab another. |
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Posted: 3/25/2024 10:51:23 PM EDT
[#18]
Quote HistoryOriginally Posted By Keekleberrys: it doesn't need pictures. it speaks for itself. Is it a pen or a fucking parrott? 
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OH, USA
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Posted: 3/25/2024 10:56:17 PM EDT
[#19]
I've tried many, my favorite is the Staedler Silver .7. I have had Rotring, etc. They all suck in comparison.
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Posted: 3/25/2024 11:10:13 PM EDT
[#20]
Quote HistoryOriginally Posted By rbs86: These sumbitches right here. Thick lead for the heavy handed, cheap so when they walk off because of their superiorness there is no search, just grab another. Harumph |
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Posted: 3/27/2024 2:15:42 AM EDT
[#21]
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Posted: 3/27/2024 2:27:43 AM EDT
[#22]
Just ordered the last of the .3mms on ebay
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CO, USA
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Posted: 3/27/2024 4:39:45 AM EDT
[#23]
Pentel Quicker Clicker 0.5
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Posted: 3/27/2024 12:14:24 PM EDT
[Last Edit: brass]
[#24]
Quote HistoryOriginally Posted By Keekleberrys: Just ordered the last of the .3mms on ebay I don't think you have a problem or any hoarding tendencies, but others, I'm not so sure about.... I'm not one to talk with the number of calculators I have in case they stop making RPN forever.  |
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Posted: 3/28/2024 2:29:07 AM EDT
[Last Edit: Keekleberrys]
[#25]
Quote HistoryOriginally Posted By brass: I don't think you have a problem or any hoarding tendencies, but others, I'm not so sure about.... I'm not one to talk with the number of calculators I have in case they stop making RPN forever. Quote HistoryOriginally Posted By brass: Originally Posted By Keekleberrys: Just ordered the last of the .3mms on ebay I don't think you have a problem or any hoarding tendencies, but others, I'm not so sure about.... I'm not one to talk with the number of calculators I have in case they stop making RPN forever. Im not a hoarder! My hoard is very organized. |
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Posted: 4/3/2024 12:05:12 AM EDT
[Last Edit: Keekleberrys]
[#26]
I finally found one of my koohinors.
The grip is more prickly and inferior but the lead is spring loaded and cushy. Rotring is reverted to junk status. Spring loaded leads is most important. Rapidesign made in Japan is still the King. |
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Posted: 4/3/2024 12:23:52 AM EDT
[#27]
Electrical engineer, been using Pentel's PG507 for as long as I can remember. Also great for copying Morse code where you have to write fast.
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Posted: 4/3/2024 12:41:24 AM EDT
[#28]
Quote HistoryOriginally Posted By Frank_B: Electrical engineer, been using Pentel's PG507 for as long as I can remember. Also great for copying Morse code where you have to write fast. https://productimages.hepsiburada.net/s/90/500/110000032665387.jpg Is the lead springloaded and cushy. |
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Posted: 4/11/2024 1:00:15 AM EDT
[#29]
i have a pencil collecting problem.
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Posted: 4/11/2024 6:31:02 AM EDT
[#30]
 I'm settled on the Pentel P209. I need to buy another bulk box |
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TX, USA
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Posted: 4/11/2024 7:10:58 AM EDT
[#31]
Quote HistoryOriginally Posted By noob5000000: Dang, I've never seen 0.3mm lead. I have a few Pentel 0.3mm pencil that I used to use for sketches. Haven’t touched them in years |
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Posted: 4/11/2024 7:26:31 AM EDT
[#32]
Quote HistoryOriginally Posted By Keekleberrys: https://www.ar15.com/media/mediaFiles/12422/1_f6faca5f81bc278a1cf467c7cb1882d3-3156844.jpg I had a bunch of those in college. Sadly, all my drafting stuff was stolen years ago. |
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Posted: 4/12/2024 12:22:36 AM EDT
[#33]
Quote HistoryOriginally Posted By MRW: https://www.ar15.com/media/mediaFiles/5205/IMG_0723_JPG-275770.jpg I'm settled on the Pentel P209. I need to buy another bulk box I have a p205 also from my grandpa. .9mm might as well be a crayon. Harumph i say! |
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USA
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Posted: 4/12/2024 12:45:59 AM EDT
[#34]
Quote HistoryOriginally Posted By Palm: Now, let's talk about pocket protectors. What is a mechanical pencil without a good pocket protector? On a side note, does the OP have a collection of slide rulers? Pencils and slide rules put men on the moon, an engineering feat we are having to relearn. |
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USA
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Posted: 4/12/2024 12:52:19 AM EDT
[#35]
Quote HistoryOriginally Posted By brass: The calculator that changed the world and made all STEM fields take off in productivity putting slide rules into the estimate realm instead of the calculation and solving. Treat it nice, that is a VERY Valuable machine there, you should dust it off with a paintbrush and keep it safe, make sure you aren't leaving batteries in it to leak. Granted, were DID take a big step backwards by not having log/trig tables, log function operations, and multiplication tables memorized. These days it's a given there's always a computer and they no longer learn estimating, they look for an exact 12 digit precision number from a calculator instead of a ballpark guess of even relative order of magnitude of some concept. Significant digits aren't even taught until college apparently, too used to using every digit of their calculation instead of keeping fraction and some constants pulled out of the result so they don't see and understand the relationships that log and trig tables kind of build into your brain doing things the "slow way". The 'slow way' is actually faster since you can guesstimate close enough for go/no-go on a dozen options in the time it takes somebody to go to phone/computer and punching in a bunch of numbers and seeing the first guess result number, not realizing the significance of some constants or magnitudes. I have and can use a slide rule but mostly that's in my head now and if I need exactly numbers I use the calculator otherwise I just guesstimate and add 20% over minimum. As an example, my kid couldn't even add 20% in his head until I explained it's just 10% twice, and that's just moving a decimal point, rather than multiplying it all by 0.2 on a calculator. --ETA: Your photo is a HP41C which came out before the 15C, which was an upgrade and the horizontal format for larger display in same physical size. My TI 55ii died during my first PChem exam (2 key would randomly stick) and immediately borrowed the money from my parents to swing a 41C. Revolutionary. |
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Posted: 4/12/2024 12:55:54 AM EDT
[#36]
Quote HistoryOriginally Posted By Bubbatheredneck: So true. My TI 55ii died during my first PChem exam (2 key would randomly stick) and immediately borrowed the money from my parents to swing a 41C. Revolutionary. Quote HistoryOriginally Posted By Bubbatheredneck: Originally Posted By brass: The calculator that changed the world and made all STEM fields take off in productivity putting slide rules into the estimate realm instead of the calculation and solving. Treat it nice, that is a VERY Valuable machine there, you should dust it off with a paintbrush and keep it safe, make sure you aren't leaving batteries in it to leak. Granted, were DID take a big step backwards by not having log/trig tables, log function operations, and multiplication tables memorized. These days it's a given there's always a computer and they no longer learn estimating, they look for an exact 12 digit precision number from a calculator instead of a ballpark guess of even relative order of magnitude of some concept. Significant digits aren't even taught until college apparently, too used to using every digit of their calculation instead of keeping fraction and some constants pulled out of the result so they don't see and understand the relationships that log and trig tables kind of build into your brain doing things the "slow way". The 'slow way' is actually faster since you can guesstimate close enough for go/no-go on a dozen options in the time it takes somebody to go to phone/computer and punching in a bunch of numbers and seeing the first guess result number, not realizing the significance of some constants or magnitudes. I have and can use a slide rule but mostly that's in my head now and if I need exactly numbers I use the calculator otherwise I just guesstimate and add 20% over minimum. As an example, my kid couldn't even add 20% in his head until I explained it's just 10% twice, and that's just moving a decimal point, rather than multiplying it all by 0.2 on a calculator. --ETA: Your photo is a HP41C which came out before the 15C, which was an upgrade and the horizontal format for larger display in same physical size. My TI 55ii died during my first PChem exam (2 key would randomly stick) and immediately borrowed the money from my parents to swing a 41C. Revolutionary. Polands time as a communist country corresponds to the time RPN was popular. |
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Posted: 4/21/2024 1:41:56 AM EDT
[Last Edit: Keekleberrys]
[#37]
My dad found out i was sniffing graphite and brought my grandpas lead holder sharpener over.
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Posted: 4/21/2024 1:45:21 AM EDT
[#38]
@brass
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Posted: 4/21/2024 3:52:42 AM EDT
[Last Edit: brass]
[#39]
Quote HistoryOriginally Posted By Keekleberrys: Polands time as a communist country corresponds to the time RPN was popular. Quote HistoryOriginally Posted By Keekleberrys: Originally Posted By Bubbatheredneck: Originally Posted By brass: The calculator that changed the world and made all STEM fields take off in productivity putting slide rules into the estimate realm instead of the calculation and solving. Treat it nice, that is a VERY Valuable machine there, you should dust it off with a paintbrush and keep it safe, make sure you aren't leaving batteries in it to leak. Granted, were DID take a big step backwards by not having log/trig tables, log function operations, and multiplication tables memorized. These days it's a given there's always a computer and they no longer learn estimating, they look for an exact 12 digit precision number from a calculator instead of a ballpark guess of even relative order of magnitude of some concept. Significant digits aren't even taught until college apparently, too used to using every digit of their calculation instead of keeping fraction and some constants pulled out of the result so they don't see and understand the relationships that log and trig tables kind of build into your brain doing things the "slow way". The 'slow way' is actually faster since you can guesstimate close enough for go/no-go on a dozen options in the time it takes somebody to go to phone/computer and punching in a bunch of numbers and seeing the first guess result number, not realizing the significance of some constants or magnitudes. I have and can use a slide rule but mostly that's in my head now and if I need exactly numbers I use the calculator otherwise I just guesstimate and add 20% over minimum. As an example, my kid couldn't even add 20% in his head until I explained it's just 10% twice, and that's just moving a decimal point, rather than multiplying it all by 0.2 on a calculator. --ETA: Your photo is a HP41C which came out before the 15C, which was an upgrade and the horizontal format for larger display in same physical size. My TI 55ii died during my first PChem exam (2 key would randomly stick) and immediately borrowed the money from my parents to swing a 41C. Revolutionary. Polands time as a communist country corresponds to the time RPN was popular. It's more alive now than it ever was. Postscript files (and by extension PDF) use polish notation as do a few other formats and languages that are stack storage based like Forth. |
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Posted: 4/21/2024 3:55:14 AM EDT
[Last Edit: Keekleberrys]
[#40]
Quote HistoryOriginally Posted By brass: It's more alive now than it ever was. Postscript files (and by extension PDF) use polish notation as do a few other formats and languages that are stack storage based like Forth. this is a pencil thread  we dont have time for commie riff raff calculators 
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Posted: 4/21/2024 4:06:41 AM EDT
[Last Edit: brass]
[#41]
Quote HistoryOriginally Posted By Keekleberrys: this is a pencil thread we dont have time for commie riff raff calculators Quote HistoryOriginally Posted By Keekleberrys: Originally Posted By brass: It's more alive now than it ever was. Postscript files (and by extension PDF) use polish notation as do a few other formats and languages that are stack storage based like Forth. this is a pencil thread we dont have time for commie riff raff calculators There is a point where you can have too many pencils. 2 holders for each hardness and 3 hardnesses in 0.3-0.9mm gets to where you can't find one you are looking for and start needing to print labels on them for which lead is in them. Outside drawing, I never really needed many hardnesses, just a decent H and maybe a 4B made all the lines needed for drafting, well, that and the dip pen. All this love for drafting and art and no dip nib pens for inking the drawings? No arguments about which inks were better, or if Rapidograph pens beat out a Map tip dip pen for perfection of line? --ETA: Biggest thing I've noticed in the computer age: everybody's penmanship sucks. Some less than others but disuse makes us all scrawling notes in the same coarse block letter. Well, guys anyway. Girls always have that pretty flowing cursive for some reason. Must be genetic. I used to be able to letter perfectly and now I just scribble. |
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Posted: 4/21/2024 4:07:52 AM EDT
[Last Edit: Keekleberrys]
[#42]
Quote HistoryOriginally Posted By brass: There is a point where you can have too many pencils. 2 holders for each hardness and 3 hardnesses in 0.3-0.9mm gets to where you can't find one you are looking for and start needing to print labels on them for which lead is in them. Outside drawing, I never really needed many hardnesses, just a decent H and maybe a 4B made all the lines needed for drafting, well, that and the dip pen. All this love for drafting and art and no dip nib pens for inking the drawings? No arguments about which inks were better, or if Rapidograph pens beat out a Map tip dip pen for perfection of line? Quote HistoryOriginally Posted By brass: Originally Posted By Keekleberrys: Originally Posted By brass: It's more alive now than it ever was. Postscript files (and by extension PDF) use polish notation as do a few other formats and languages that are stack storage based like Forth. this is a pencil thread we dont have time for commie riff raff calculators There is a point where you can have too many pencils. 2 holders for each hardness and 3 hardnesses in 0.3-0.9mm gets to where you can't find one you are looking for and start needing to print labels on them for which lead is in them. Outside drawing, I never really needed many hardnesses, just a decent H and maybe a 4B made all the lines needed for drafting, well, that and the dip pen. All this love for drafting and art and no dip nib pens for inking the drawings? No arguments about which inks were better, or if Rapidograph pens beat out a Map tip dip pen for perfection of line? Challenge accepted pics tomorrow  |
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MI, USA
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Posted: 4/21/2024 4:18:41 AM EDT
[#43]
Quote HistoryOriginally Posted By brass: --ETA: Biggest thing I've noticed in the computer age: everybody's penmanship sucks. Some less than others but disuse makes us all scrawling notes in the same coarse block letter. Well, guys anyway. Girls always have that pretty flowing cursive for some reason. Must be genetic. I used to be able to letter perfectly and now I just scribble. Girls actually spend time in grade school, on their penmanship, practicing making those nicely rounded, flowing letters, to make them look pretty. Guys are too lazy, and DGAF. I’ve only seen ONE guy in my class, who took the time to practice his penmanship. Nowadays, though, a LOT of GenZ and millennial women have atrocious handwriting, too. |
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Posted: 4/21/2024 4:36:36 AM EDT
[#44]
Quote HistoryOriginally Posted By JVD: Rotring 600 for me. |
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Posted: 4/21/2024 10:53:22 PM EDT
[#45]
Quote HistoryOriginally Posted By Keekleberrys: Polands time as a communist country corresponds to the time RPN was popular. Quote HistoryOriginally Posted By Keekleberrys: Originally Posted By Bubbatheredneck: Originally Posted By brass: The calculator that changed the world and made all STEM fields take off in productivity putting slide rules into the estimate realm instead of the calculation and solving. Treat it nice, that is a VERY Valuable machine there, you should dust it off with a paintbrush and keep it safe, make sure you aren't leaving batteries in it to leak. Granted, were DID take a big step backwards by not having log/trig tables, log function operations, and multiplication tables memorized. These days it's a given there's always a computer and they no longer learn estimating, they look for an exact 12 digit precision number from a calculator instead of a ballpark guess of even relative order of magnitude of some concept. Significant digits aren't even taught until college apparently, too used to using every digit of their calculation instead of keeping fraction and some constants pulled out of the result so they don't see and understand the relationships that log and trig tables kind of build into your brain doing things the "slow way". The 'slow way' is actually faster since you can guesstimate close enough for go/no-go on a dozen options in the time it takes somebody to go to phone/computer and punching in a bunch of numbers and seeing the first guess result number, not realizing the significance of some constants or magnitudes. I have and can use a slide rule but mostly that's in my head now and if I need exactly numbers I use the calculator otherwise I just guesstimate and add 20% over minimum. As an example, my kid couldn't even add 20% in his head until I explained it's just 10% twice, and that's just moving a decimal point, rather than multiplying it all by 0.2 on a calculator. --ETA: Your photo is a HP41C which came out before the 15C, which was an upgrade and the horizontal format for larger display in same physical size. My TI 55ii died during my first PChem exam (2 key would randomly stick) and immediately borrowed the money from my parents to swing a 41C. Revolutionary. Polands time as a communist country corresponds to the time RPN was popular. Polish notation was created in the 1920's before it had communism forced on it. I don't think it ever caught on anywhere. RPN was created by HP in the 1970's here in the US. The HP calculators were way more durable than any TI I ever owned. The TI's would last maybe a year. Since 1984 I have bought 4 HP's and two are still being used regularly. |
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Posted: 4/22/2024 12:47:24 AM EDT
[#46]
Quote HistoryOriginally Posted By Keekleberrys: Challenge accepted pics tomorrow Quote HistoryOriginally Posted By Keekleberrys: Originally Posted By brass: Originally Posted By Keekleberrys: Originally Posted By brass: It's more alive now than it ever was. Postscript files (and by extension PDF) use polish notation as do a few other formats and languages that are stack storage based like Forth. this is a pencil thread we dont have time for commie riff raff calculators There is a point where you can have too many pencils. 2 holders for each hardness and 3 hardnesses in 0.3-0.9mm gets to where you can't find one you are looking for and start needing to print labels on them for which lead is in them. Outside drawing, I never really needed many hardnesses, just a decent H and maybe a 4B made all the lines needed for drafting, well, that and the dip pen. All this love for drafting and art and no dip nib pens for inking the drawings? No arguments about which inks were better, or if Rapidograph pens beat out a Map tip dip pen for perfection of line? Challenge accepted pics tomorrow i let you down. i think it must be in a box in my dads shop. i moved recently and used his garage as a storage unit. i know i have a big set of rapidographs that I cant find and some dip nibs that have ink exploded everywhere in their case. im not an engineer or draftsmen just an enthusiast. this was all stuff i saved from the dumpster when my grandpas workshop was being emptied./ |
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