Casio College fx-100
Brief History
Casio started production of a cheap scientific calculator specially designed for students, the College fx-80 in 1979, and almost a half year later, a new, not too expensive, easy-to-use scientific calculator with higher capacity was announced. The College fx-100 has a 10-digit LCD display instead of a 8-digit one, which can be set to 8+2 digit scientific notation. In addition to usual functions, it can perform operations with fractions and has a random number generator. Similar to fx-82 series, more variations developed in the next decades.
| Manufacturer: | CASIO Computer Co., Ltd. (Japan) |
| Mfg. date: | 1980-85 |
| Size: | 7,5×14,8×1,9 cm |
| Weight (ready for operate): | n.a. |
| Type: | scientific |
| Capacity: | 10/8+2 digits (input/display) 11+2 digits (internal precision) |
| Operating logic: | algebraic |
| CPU: | Hitachi HD43167B |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) 6 bracket (with saving the pending operation) 1 memory (with aritmetic) |
| Features: | +/-change sign (direct entry of negative numbers) RVexchange registers (X-Y) Ffloating-point notation Fixfixed-point notation: the listed decimals can be chosen (0-9) Sciscientific (exponential) notation Engengineering notation a b/callows entry and display of fractions Sqrsquare root x2square pivalue of pi (3.1415..) can be recalled 1/xreciprocal trigtrigonometrical functions (sin, cos, tan and inverses: arcsin, arccos, arctan) DMS-DDconversion of decimal and sexagesimal numbers logexponential and logarithmical functions (10- and e-base) yxraising to power SDone variable statistics: calculating mean and standard deviation P-Rconverting coordinates between rectangular and polar systems n!factorial |
| Display: | 11 digit LCD |
| Power: | 2×AA-type battery |
| Test results: | trigonometry:result of sin-1(cos-1(tan-1(tan(cos(sin(60°)))))), reference value: 60. 59.999992349 exponential:result of 0.999160000, reference value (first 14 digits): 3.0068804206375×10-70 3.0068804292E-70 |
fx-100
Inside of the fx-100
fx-80 and fx-100
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