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The checksums on the add-in headers are actually very useful to check that an add-in did not get corrupt in the transfer. That way we avoid problems because of broken files, they simply won't run. The trick is knowing how to calculate the checksum

I suppose the Prizm has additional USB client drivers for the Screen Receiver and Projector modes. I will take a look at your add-in when I get home, it sounds interesting. As for other hardware having the same ID, well, we all know Casio likes reusing code between calculator models and even with ot...

TeamFX, I don't understand: first you say it uses USB, but then you say FA-124 does not support the Prizm over USB? Or do you mean that despite a serial link being established over USB, FA-124 does not know how to use it and thus the 3-pin interface must be used if we want to use that software? If t...

I think Casio just added the mass-storage functionality and made it override the old protocol 7.00 functions in the UI, but the old raw communication syscalls are almost certainly still there and work more or less the same as on the fx9860, because they are needed for initiating the OS update proces...

Makes sense. I will try to get someone with two Casio Prizm calculators to test software for me, then I'll begin experimenting. Also, did you know that when a Prizm is overclocked, the baud rate changes proportionally to the CPU speed change, and if two Prizms are overclocked to the same speed, they...

Calculators like the CFX9850 (Casio Graph 65) do not support it, according to Wikipedia the maximum transmission rate is of 9600 baud. I could successfully transfer MCS files from my Prizm to one of these calcs so it definitely has a way to detect if the remote calculator supports higher speeds, and...

Thanks. I'm a bit confused by your example code in one thing. It seems to first set the baud to 9600, then reset the serial hardware of the remote calculator then tell it to start again at 115200 baud. This makes some sense, because I know older calculators don't support 115200 baud, so the system s...

Beta 2 is out, fixing the memory leaks that happened with some calculations (most noticeable with defint, integral and derivative). The download short link is the same and it points to the same long URL - only the binary that's there for download is different. The size of Beta 2 is 317,3 KiB and its...

Thanks helder for the functions, I'll see what I can do to have Eigenmath run a set of customized lines at the start of the add-in. I have good news. The developer of Eigenmath (to whom I had complained about the memory leak problems a while ago) emailed me a fix for the memory leak he found. I have...

I know about the big results not fitting on the screen problem. I thought about implementing scroll but it would be too much work with the current implementation. The current console code is a modification of the one diameter uses in his port, to use PrintMiniFix and work on the Prizm. Anyway, the c...