Sharp EL-512
| Manufacturer: | Sharp Corporation (Japan) |
| Mfg. date: | 1984-87 |
| Size: | 6,9×12,8×1 cm |
| Weight (ready for operate): | 68 g |
| Type: | programmable scientific |
| Capacity: | 10/8+2 digits (input/display) 12+2 digits (internal precision) |
| Operating logic: | algebraic with precedence |
| CPU: | SC43520A05 |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) 15 bracket (with saving the pending operation) 10 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 BSbackspace (right-shift) function 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 LRtwo-variable statistics: linear regression P-Rconverting coordinates between rectangular and polar systems n!factorial |
| Display: | 11+1 digit LCD |
| Power: | 2×LR44 button cell |
| Programming method: | keystroke-programmable |
| Program capacity: | 128 keystrokes |
| Test results: | trigonometry:result of sin-1(cos-1(tan-1(tan(cos(sin(60°)))))), reference value: 60. 60.00001153 exponential:result of 0.999160000, reference value (first 14 digits): 3.0068804206375×10-70 3.006880903E-70 |
EL-512
Inside of the EL-512
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