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OT: RPN port to Casio fx-cg10/20?



#6

Hugh Steers and Nigel J. Dowrick, the authors of two RPN programs written for the Casio fx-9860g Slim, may be able to answer this question:

Are there new G3A versions of Hugh's RECKON.G1A and/or Nigel's CASIORPN.G1A add-in program(s) that will run on the Casio fx-cg10/20 Prizm calculator?

Thanks!


#7

I haven't ported my program; sorry. I do have a Prizm but Casio haven't released an SDK for it. I think that other people have figured out what to do, but to date I haven't followed up on this. Maybe Hugh will know...?

Thank you for asking!

Nigel (UK)


#8

Hi,

I've been meaning to get something working on the casio cg10 for a while. i managed to get some 3D teapots going in color - well, using shades of the same color to get the surface. wire, flat & gouraud.

posted here

Although it would be fairly easy to port the actual calculator without any graphics.

when the Prime arrives, maybe i should get something going on that.

Incidentally, ive been working on a new multi-precision calculation engine with automatic error tracking.

sample:

> ln(2)
0.693147180559945309417232121458176567(5e-36)
> exp(ans)
2(11e-36)

so, for example, the last number is 2 +/- 11e-36

-- hugh.


#9

Nigel, Hugh,


Thanks both of you for your responses. I obviously have your programs on my Slim, and appreciate them both, so naturally I think it it would great to make the Prizm useful as well. :-)

Here's a thought, OK, a challenge: Wouldn't it be great to beat HP to the punch by being the first to bring a colo(u)r RPN stack to graphic calculator? The fist colo(u)r RPN command line interface would be just as noteworthy (Hugh).

All I'm sayin' is nobody remembers who came in second. ;-) You guys have a few months before Tim and Cyrille's new machine is released. Now how to get that Casio SDK? Hmm..

Edited: 30 Apr 2013, 1:17 a.m.


#10

Well actually, I'd be quite happy to see the Prime make good use of color. I am rather hoping that HP will make, what i call, *proper* use of color:

What i've noticed from the color offerings from TI and Casio is color being used simply to display picture images for somewhat trivial purposes such as the background when plotting a parabola.

I gave a presentation last October at the HPCC conference in London on the potential use of color LCD screens for the display of mathematical clarity. This is what i think is the real use of color on a calculator, together with improving graphical information.

The new color calculator screens are rather like those on mobile phones some years ago. You'll recall that phones quickly made use of these to improve the display of text. However, im seeing existing color calculator offerings display the *exact* same text as before and not making any use of anti-aliasing, sub-pixel positioning, font scaling and kerning.

It's really about time we saw the decent display of math formula on a calculator screen. it's quite possible on the hardware, only the software is missing, and as time goes by, its omission will become increasingly embarrassing.


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