Casio fx-82C
Brief History
The competition boosted the evolution of the scientific calculator designed for students, so the functions used only in expensive models became available to these cheaper ones. To keep manufacturing economical, new technologies were developing over the years. The new fx-82C model announced in 1988, has flexible thin PCBs with in-place mounted bare circuits without soldering. Its functionality was the same, but the fx-82D, which has been replaced it in 1989, has a lot of new features.
| Manufacturer: | CASIO Computer Co., Ltd. (Japan) |
| Mfg. date: | 1988-89 |
| Size: | 7,5×15,2×2 cm |
| Weight (ready for operate): | n.a. |
| Type: | scientific |
| Capacity: | 8/8+2 digits (input/display) 11+2 digits (internal precision) |
| Operating logic: | algebraic |
| 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: | %calculation with percent +/-change sign (direct entry of negative numbers) RVexchange registers (X-Y) Ffloating-point notation Fixfixed-point notation: the listed decimals can be chosen (0-7) Sciscientific (exponential) notation Engengineering notation Sqrsquare root x2square pivalue of pi (3.1415..) can be recalled 1/xreciprocal trigtrigonometrical functions (sin, cos, tan and inverses: arcsin, arccos, arctan) hyphyperbolic functions (sinh, cosh, tanh and inverses: ar sinh, ar cosh, ar tanh) 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: | 8+2 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. 60.000018398 exponential:result of 0.999160000, reference value (first 14 digits): 3.0068804206375×10-70 3.0068804292E-70 |
fx-82C
Inside of the fx-82C
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