MBO Alpha
| Manufacturer: | MBO Schmidt & Niederleitner GmbH. & Co. KG () |
| OEM: | Eiko Business Machine Co., Ltd. () |
| OEM model: | 80SR |
| Mfg. date: | 1974-75 |
| Size: | 7,9×15,2×2 cm |
| Weight (ready for operate): | n.a. |
| Type: | scientific |
| Capacity: | 8 digits (input/display) 8 digits (internal precision) |
| Operating logic: | |
| CPU: | Rockwell A4001PC (15471) |
| 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) RVexchange registers (X-Y) Ffloating-point notation BSbackspace (right-shift) function Sqrsquare root pivalue of pi (3.1415..) can be recalled 1/xreciprocal trigtrigonometrical functions (sin, cos, tan and inverses: arcsin, arccos, arctan) logexponential and logarithmical functions (10- and e-base) yxraising to power |
| Display: | 9 digit (Rohm LAB-F-2) |
| Power: | 3×AA elem vagy adapter |
| Test results: | trigonometriai:az arcsin(arccos(arctg(tg(cos(sin(60°)))))) eredménye, referenciaérték: 60. 62.57928 exponenciális:a 0.999160000 eredménye, referenciaérték (első 14 jegye): 3.0068804206375×10-70 - |
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