Hi,

Could you help me with choose which modern calc buy?

My primary use case will be "a toy". So I want something with good support, documentation and community for future and as last but not least I need some way how send/receive bytes to/from real world. Some buzzer (like old PC Speaker) would be great, but I can live without it.

For example HP Prime G2 looks great but I think that there is no (easy) way how communicates. I found some short info about OTG support but if somebody tried OTG adapter with for example FTDI... I do not know.

TI-84 Plus CE looks great too and there https://www.cemetech.net/forum/viewtopic.php?t=13045&start=0 is some info about commands Send, Get and Arduino support but again, I am not sure.

Casio CG-50 maybe has TTL serial port, but the GUI inside this calc is little bit ugly for me

So any suggestion for newbie like me?

Thanks!

I wrote a USB CDC driver for the 84+CE, which allows you to connect it to an Arduino or other USB serial device.

https://github.com/commandblockguy/CE-serial

Hey commandblockguy, I have a macbook. It is impossible to compile this using the toolchain because I use a school macbook. It could be possible, but my macbook has so many restrictions, especially in terminal. Can you please put a compiled version (.8xp, etc.) on the github page. I followed the instructions on how to, but terminal restricts me from going any further with installation of the toolchain, so I gave up. I can't do it so I will need to start asking others who make things to compile it for me.
Thanks

Thanks for the link, very useful.

But if I understand it well, I cannot programming in C directly on calc right?

That is correct. You'll need this for the CE:
https://www.cemetech.net/forum/viewtopic.php?t=12405&start=0

And if I want programming directly on calc (that is the reason for buying ) there are some ways?

There are two languages available for the 84+CE that allow you to program on-calc:
- TI-Basic
- ICE

TI-Basic is a quite simple interpreted language, and nice to start with. You can use most of the calculator functions like you can in the home screen.

ICE is a compiled language, created by PT_. It is referred to as "the step from TI-Basic to ASM". It allows you to make programs that use the entire screen with a 256-color index, which is already a big step from TI-Basic. To write an ICE program, you need to download the ICE compiler program and let it compile a normal program you can write on your calculator. More info here:
https://www.cemetech.net/forum/viewtopic.php?t=12616&start=0

OK, I understand but the question is can I use one from this languages for send/receive bytes over "serial interface"? Like in old times

This doesn't make much sense because it's a library, which does nothing on its own but instead provides functions to be used in a C function. I may add a demo to the page later.


You can't write C programs on-calc. There may be a way to make my C library usable from ICE (which I will look into later). It might be easier to use a TI-Innovator, which costs more and is slower but allows you to use TI-BASIC.

None of the modern calcs, or even any of the older calcs, natively supported an on-calc language serial interface. I have no idea what you are talking about.

The best bet is using a TI-84+ and TI-BASIC in conjunction with ArTICL: https://github.com/KermMartian/ArTICL

I talking about commands XMIT and SRECV on old HP machines

commandblockguy: I checked you C library - GOOD JOB! The ASM part bring me back to my youth