• Emulator for TI-59 Calculator 1
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Emulator for TI-59 Calculator

Emulate a 1977 vintage Texas Instruments TI-58/58C/59 calculator. This emulator is programmable, lets you load/save programs, includes a partial implementation of the original Master Library module. Sources on GitHub at https://github.com/TurboGit/ti5x_android include a tools for building your own program/module files.
ti5x does aim for 100% authenticity even if not possible in all cases. Yet, it supports many undocumented featuresfrom the original calculator like the HIR registers and the /DSZ nn 51/ (decrement no-jump) instructions.

With the current version it is possible to play the famous Treasure-Island and 3D-Tic-Tac-Toe games. And many original programs are running without modification.

Category : Productivity

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Reviews (29)

Joe. B. Oct 26, 2021     

This is an excellent TI/AOS calculator with the EE & ENG, and 1/x keys that I am so used to. My 3/5 stars have to do with usability. There is a loud and annoying keypress sound that I can't find a way to disable. The double line font is hard to read - solid would be better. And for those of us with low color vision, changing the red-on-black numeric display to a higher contrast combo would be helpful (although this is true to product). Love it but hard for an old geezer to use.

bob. c. Jul 19, 2020     

A good, free, emulator of a classic programmable calculator. Includes 8 library modules and an emulated printer cradle. I've used it for about a month and everything seems to work ok. It also runs much faster than the ti-59 did, I reckon about 300 times quicker. So programs that could take minutes to run originally are completed in under a second.

Ala. S. May 15, 2020     

My review may seem like a backhanded compliment, but it's not meant that way... This is really well done! That said, I'm *really* glad I didn't have to use the TI-59 at school! It's anything but straightforward ;) Still, this brings back memories (I had an LED TI-30 & an LCD TI-34... still have the latter!)

Bru. F. Mar 7, 2021     

I've needed a programmable calculator to be handy. I had a ti59 in engineering school in 1972 to do all forms of Engr Math. Transistor field exponents, Euler's complex exponents, Matricies,etc. There is so much! Export&Import your own programs. Keypress audio in settings. Keep digging, it's all there. Original manuals online. I purchased a touchscreen Chromebook, and this Android download works perfectly there too. This is a breathtaking "Work-Of-Art" So Great!

Pau. D. Jan 18, 2021     

Superb emulator, works a treat, made me feel "totally at home" with it straight away. Wish: What I would love to see is an option to somehow indicate that the "2nd" key is active; this was something I wished I had on the original TI calc! Thanks, lads

Jen. B. Jul 2, 2019     

Was the TI59 ever able to resolve the algebraic entry y=6÷2(1+2)=9? - because the emulator cannot do it unless you put in the x operator between the 2 and 3 according to the rule of BOMDAS, working left to right. i.e. y=6÷2x(1+2)=6÷2x3= 3x3= 9 I think the later TI-45 treated y=6÷2(1+2) as y=6÷23 =0.26.. so that set a cat among the pigeons. We should always check calculators and their emulators out for fidelity. Using them blindly without knowing their limitations can mean trouble.

Rog. M. Jun 12, 2020     

Even better than when I owned one Annoyingly it has started making key press noises and stopped haptic feedback. I can't find a way to change it back.

NJY. G. Feb 25, 2021     

It reminds me of my SR-56 back in 70's...the superb features & expanded programmable steps & memory is fantastic.Numerous built-in programs plus diy program steps to suite the needs can be saved.really awsome!!

A. G. u. Dec 4, 2018     

Technically it is a Simulator and not an Emulator, since it is more accurate than the actual calculator was...But it is a very good more accurate version of the TI-59.

EDI. F. O. Mar 2, 2022     

wow this is the calculator of the all times. really is a clasic fashion and very usefull calculator for engineers and science students of the 70 and 80 decade's

Zee. M. Mar 16, 2019     

Works Ok but it won't store the Feedback settings. I don't want audio feedback but the settings isn't stored. Until fixed 1 star.

jim. h. Apr 30, 2019     

Thanks for maintaining this app! Even my Tesla model S app became unsupported. Had to buy a new phone. Still use my ti59 and printer from 1st days on sale at Lechmere. Used to work at Kollsman Instruments where many calc/printers were used in test and measurement and production line.

Chr. K. Sep 2, 2019     

Nice calc, it looks like the noises can be turned off and stay off now. Very nice indeed. Great reminder of high school and college days!

Ash. M. May 21, 2020     

Excellent emulator for a great classic calc. Texas Instruments ftw Love the retro Red digits and dot matrix style printer. Is there a way to set the printer trace to on by default?

Rob. H. Aug 13, 2019     

Gosh this takes me back. My Dad brought one of these home when I was 8 and that was the start of my career as a Software Engineer. Can't really remember how to program it but I use it as my calculator app

Ric. E. Dec 7, 2020     

This is great. I was looking for the TI-30 Vintage 1979 Red LED Calculator (emulator), and I found this one instead.

Sim. S. Apr 19, 2019     

I look forward to calculating thanks to Ti5X. Retro looks are great on modern full screen phones.

Mic. H. Jan 23, 2021     

Love it Behaves exactly like those good old Ti58, Ti59. Great job! I use it all the time as my regular calculator. Excellent

A. G. u. Feb 26, 2019     

excellent! I have a fourty years old TI-59 calculator and this emulator is equal to original!!!

Fff. B. Dec 20, 2020     

Even you grew up TI SR-56, this is the best alternitive calculator. Happy that there is still support. 👍

Mik. W. Feb 14, 2019     

Wrote many TI-58 programs back in '78 while an engineer at McDonnell Aircraft Co. This is a great simulation, better in some ways than the original!

Mir. H. Aug 10, 2020     

it was my 1st programmable device 35ya... now i still find it useful in my everyday business..! :)

Chr. L. Dec 2, 2020     

This app takes me back to Bx Science in the late 70's ! Great times had by all :-D

Gre. O. Aug 16, 2019     

I really dig the new app icon. Great overall.

Chu. B. I. Oct 10, 2019     

Wish it had away of making program usage cards like the real 59 had.

A. G. u. Jan 16, 2022     

Text out of scale with graphics

Pam. S. Sep 6, 2020     

It's easy to use and a very neat computer.

Sar. W. Oct 16, 2018     

Horrible, tried to type logarithms and it wouldn't work

Dan. W. Aug 7, 2020     

58/59 was the best prog calc ever Well done!