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Full Version: Casio fx-4500P: Nice looking pocket machine made in China
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This classic 1989 scientific programmable Casio fx-4500P in a small package seems to be a nice looking and powerful machine and good value for the money.
Good samples can be found at 10 Euros. Mine was only 5 Euro in a flea market.

Among its features are trigonometric, hyperbolic, logarithmic, coordinates, permutations and combinations, fractions, engineering symbols (from femto to tera), binary/octal/decimal/hexadecimal number conversions and calculations, statistical, and integration.
It features full text alphabet characters, formulas and programming.
As standard setup it includes 26 variables (configurable up to 163) and 1103 program steps. Memory management includes a command to show remaining free memory.
Programming includes editing and debugging features. Instructions includes jumps and conditional jumps, subroutines, input and pause.

[Image: Casio_fx-4500p_001.jpg] [Image: Casio_fx-4500p_002.jpg] [Image: Casio_fx-4500p_004.jpg]

[Image: Casio_fx-4500p_006.jpg] [Image: Casio_fx-4500p_007.jpg] [Image: Casio_fx-4500p_008.jpg]

[Image: Casio_fx-4500p_009.jpg] [Image: Casio_fx-4500p_011.jpg] [Image: Casio_fx-4500p_014.jpg]
Sin(Pi) according to Casio machines.

[Image: Casio_fx-4500p_015.jpg] [Image: Casio_fx-4500p_016.jpg]

[Image: Casio_fx-4500p_017.jpg] [Image: Casio_fx-4500p_018.jpg]
Hi José. Look at the internals of my FX-4500P.
It has a completely visible SoC Toshiba T9977 dated on year 92, week 40.
I have no clue about what this chip is. (maybe with another nomenclature by NEC....)
[Image: fx4500pi.jpg]
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