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HP-75C: use in 2021?
04-06-2022, 09:39 PM
Post: #21
RE: HP-75C: use in 2021?
(06-23-2021 04:47 PM)floppy Wrote:  What would you do today when you find an HP-75C when you clean up the storage of your grand-uncle and he give it to you?

My pardons that this reply is a wee bit late, but in case someone else happens upon a free/cheap HP-75... I just picked one on the Bay for US$60 on a whim.

By itself, sure, a desktop clock/calendar is an obvious answer for any programable device with an alpha/numeric display. After a quick look at the owner's manual, it appears you could use the DISP command to make a usable Tetris clone.

If you were willing to invest a few more coins, a PIL-Box to get data to/from a PC/Mac/Linux system is handy, and the PIL-IO adds digital i/o and a serial link to talk to Arduinos, Raspberry Pi's, or any number of other devices that can talk to a computer.
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04-07-2022, 11:10 AM
Post: #22
RE: HP-75C: use in 2021?
I would use it in the kitchen, to cut the bread on it. Big enough.
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04-07-2022, 01:27 PM
Post: #23
RE: HP-75C: use in 2021?
(04-07-2022 11:10 AM)isanchez Wrote:  I would use it in the kitchen, to cut the bread on it. Big enough.
Yes. It cannot be done probably on the ipad of the family member. It means you would indicate the advantage of HP75 in comparison to ipad?
:-)

HP71 & Multimod, HP41CV/CX & Nov64d, PILBOX, HP-IL-PRINTER 82162A, RS232 HP-IL interface, Debian11 64bits-PC w/ pyILPER, V41R9F & EMU71
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04-07-2022, 02:35 PM (This post was last modified: 04-07-2022 02:35 PM by isanchez.)
Post: #24
RE: HP-75C: use in 2021?
(04-07-2022 01:27 PM)floppy Wrote:  
(04-07-2022 11:10 AM)isanchez Wrote:  I would use it in the kitchen, to cut the bread on it. Big enough.
Yes. It cannot be done probably on the ipad of the family member. It means you would indicate the advantage of HP75 in comparison to ipad?
:-)

robustness? ;-)
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04-07-2022, 06:24 PM
Post: #25
RE: HP-75C: use in 2021?
referring to this? https://www.youtube.com/watch?v=WhGUZ5Vk0As

http://WilsonMinesCo.com (Lots of HP-41 links at the bottom of the links page, http://wilsonminesco.com/links.html )
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04-09-2022, 03:12 PM
Post: #26
RE: HP-75C: use in 2021?
You could do what I have done with my 71B.
Connect to pilbox, write a program to calculate coordinates for component placement on a PCB, print the output via pillbox to the PC. Copy the output and paste into EAGLE, watch your components being placed. Smile
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04-11-2022, 02:03 AM
Post: #27
RE: HP-75C: use in 2021?
(04-07-2022 06:24 PM)Garth Wilson Wrote:  referring to this? https://www.youtube.com/watch?v=WhGUZ5Vk0As

Amazing! Can't stop laughing!
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