I had this one since 1987, and I’ve overclocked it using a potentiometer, after removing the fixed resistor it was using on its R/C clock. I managed to get it to run close to 1MHz, out of its about 200kHz starting point, but it needed an external 9V battery and an 8V stabiliser to work after a certain frequency, because the 2x CR2032 weren’t enough to power it. I still have it in working condition! 😊
It would be really cool to see different calculators executing the same program which performs some complex calculations, and see how long it takes for each of them.
I found some tests, but one that is able to tests all the calculators, would be cool. For those calculators that can perform numerical integrals (defined integrals) a good test is to integrate e^(x^3) from 0 to 6. It will take teh calculator near to the float number limits and take some time from ones and is almost instantaneous to others. But a standardized program would be very nice.
My first computer, plus came damaged and was my first computer repair, the piezoelectric speaker lose a cable.. I did mathematical fraction programs, you entered the values and it gave you the result when I was 10 years old, later I programmed physics the classic problems of the locomotive speed, then more complex ones.
Had one of those! Still have it around somewhere. Played a lot with it, learning basic programming
I had this one since 1987, and I’ve overclocked it using a potentiometer, after removing the fixed resistor it was using on its R/C clock. I managed to get it to run close to 1MHz, out of its about 200kHz starting point, but it needed an external 9V battery and an 8V stabiliser to work after a certain frequency, because the 2x CR2032 weren’t enough to power it. I still have it in working condition! 😊
I'm so happy I've found this channel, thanks!
Welcome!
It would be really cool to see different calculators executing the same program which performs some complex calculations, and see how long it takes for each of them.
I found some tests, but one that is able to tests all the calculators, would be cool.
For those calculators that can perform numerical integrals (defined integrals) a good test is to integrate e^(x^3) from 0 to 6. It will take teh calculator near to the float number limits and take some time from ones and is almost instantaneous to others.
But a standardized program would be very nice.
@@renato_henrique thank you for the tip Renato! I tested it on my Casio fx-991LA CX and definitely it took some time haha
my first computer.... nostalgia...
Just found one of these. Actually looks brand new. Guess it was never used
i have the fx 850p bought in 1983 when i was student and i remember the fx 702p from my teatcher
My first computer, plus came damaged and was my first computer repair, the piezoelectric speaker lose a cable..
I did mathematical fraction programs, you entered the values and it gave you the result when I was 10 years old, later I programmed physics the classic problems of the locomotive speed, then more complex ones.
That's really neat. Yeah I think it would be a great device for a kid to learn programming on.
I got a casio 72op is that a differnt version? No f behind it and Different back