Questions tagged [calculator]

for questions about retrocomputing calculator hardware and software

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4
votes
0answers
209 views

Did any mechanical computers or calculators handle divide by zero with an exception, or did they all loop?

I just saw this video of a mechanical calculator dividing by zero. Did any mechanical calculators or computers ever provide for a failure mode on divide by zero? Or did they always handle it by ...
9
votes
4answers
1k views

Early programmable calculators with RS-232

In the early seventies, companies like HP and Wang sold 'programmable desktop calculators' that were really personal computers in the time before what is usually thought of as the dawn of personal ...
4
votes
2answers
478 views

When did computers stop needing to be marketed as calculators?

According to https://en.wikipedia.org/wiki/Hewlett-Packard_9100A The Hewlett-Packard 9100A (hp 9100A) is an early programmable calculator[3] (or computer), first appearing in 1968. HP called it a ...
2
votes
3answers
336 views

TI-86 sound capabilities

Is TI-86 calculator capable of producing sounds? In what ways the sound is produced (like timers, beeper bits or alike) if yes? If no, are there any mods that add this capability?
1
vote
2answers
946 views

Why did TI-8x calculator series use the Z80 processor?

Many early Texas Instruments calculators used a Z80 processor. The Z80 is notoriously limited when it comes to mathematical calculators. For example, while it can do addition, multiplication must be ...
6
votes
2answers
180 views

TI-BASIC Interpreter for Mac

I've been trying to golf more in TI-BASIC and was wondering if there was an interpreter available for Mac. Bonus points if it is still being actively maintained.
6
votes
1answer
330 views

TI-83 Series Graphing Calculator Emulator

Back in middle school I set up a Windows/DOS TI-83 calculator emulator for some of my teachers. I can't for the life of me remember the name, but I'm looking for a Mac TI-83 emulator (or any TI-8x ...