scientific calculator

created by Elrac

(thing) by Elrac (1.6 d) (print) ? (I like it!) Sun Feb 11 2001 at 10:37:38

A sub-species of calculator specially suited for scientific calculations. Aside from the usual functions of addition, subtraction, multiplication and division, a scientific calculator can usually "do" squares, square roots, exponents, trigonometric functions and other stuff mostly of interest to a scientist, mathematician, engineer or high school student. Some examples, fairly randomly chosen, are these models:

TI-51, TI-52, TI-92, TI-85, TI-80 by Texas Instruments (aka TI)
Casio fx-115 by Casio
HP28, HP48 and HP49 by Hewlett-Packard (aka HP)
Sharp EL-506L Professional

(thing) by RolloThomasi (4.8 y) (print) ? (I like it!) Mon May 07 2001 at 23:01:33

Another widespread model is the Casio CFX-9950GB PLUS, with a variable 3-color, mid-resolution display. 64KB of internal memory, and a very potent programming language, very similar to Basic. Has all the basic and not so basic mathemathical functions in a graphic environment, so you'll know that you didn't push the wrong keys. Regression, recursion, derivation, integral, matrixes, simultaneous equations with up to 6 unknowns, and polynominal equations up to the third degree in a very intuitive environment, as opposed to Texas. A very potent graphic function module, with many tools of graphic solverage. It's only true shortcoming as I see it, is in the integral calculus department. Texas has so many more functions here, though I'm working on a program that I hope will make up for some of this. It can work with values up to 9.999...*10^99, and can do so in quite a few systems of notation. It also has a rather advanced financial module, and a bunch of features I haven't gotten to yet; Such as a coms-port for transfering between calculators, between calculators and peripherals, and between calculators and home computers. Dynamic curves is also a function I haven't really messed with yet.

If you treat it right, this piece of hardware will never let you down :)

printable version
chaos

Casio CFX-9950 GB Plus	Pi Mnemonics	Logarithm algorithm	Casio
Learn to Program: Math	Casio fx-115	Texas Instruments	Converting real numbers to binary
Cheating in high school math class	127.0.0.1	TI-92	HP48
sharp	Curta	calculator	computation
calculation	graphing calculator	Ti	Enya

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