Sharp EL-5809
| Manufacturer: | Sharp Corporation (Japan) |
| Mfg. date: | 1977 |
| Size: | 17,8×4,6×0,8 cm |
| Weight (ready for operate): | 63 g |
| Type: | scientific |
| Capacity: | 8/5+2 digits (input/display) 9/9+2 digits (internal precision) |
| Operating logic: | algebraic |
| CPU: | SC43300 |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) 1 memory (with aritmetic) |
| Features: | +/-change sign (direct entry of negative numbers) Ffloating-point notation Sciscientific (exponential) notation 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 n!factorial |
| Display: | 8+1 digit LCD |
| Power: | 2×LR41 button cells |
| Test results: | trigonometry:result of sin-1(cos-1(tan-1(tan(cos(sin(60°)))))), reference value: 60. 60.00024571 exponential:result of 0.999160000, reference value (first 14 digits): 3.0068804206375×10-70 3.00688102E-70 |
EL-5809
Inside of the EL-5809
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