MBO Exakt 50
Brief History
MBO company in West-Germany provided almost all types of calculators, some models were built by well-known manufacturers, but some cheaper machines have almost uninvestigable roots. MBO's Delta and Exakt families were manufactured by Detron, a south-korean electronics company, who sold their machines under several brands.
The Exact 50 is the most powerful model not only in the Delta/Exakt series, but in all machines made by Detron. Its curiosity is the CPU from Rockwell - these Detron machines uses japanese ICs mostly from NEC and Hitachi. It makes possible to convert rectangular coordinates to polar system, has ability to use 3 levels of parentheses, but it lacks hyperbolic functions.
| Manufacturer: | MBO Schmidt & Niederleitner GmbH. & Co. KG (West-Germany) |
| OEM: | Detron Co. (Korea) |
| OEM model: | S816MS |
| Mfg. date: | 1978 |
| Size: | 7,5×13,6×1,9 cm |
| Weight (ready for operate): | n.a. |
| Type: | scientific |
| Capacity: | 8+2 digits (input/display) 8+2 digits (internal precision) |
| Operating logic: | algebraic |
| CPU: | Rockwell A4806EB |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) 3 bracket (with saving the pending operation) 1 memory (with aritmetic) |
| Features: | +/-change sign (direct entry of negative numbers) RVexchange registers (X-Y) 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 |
| Display: | 12 digit VFD |
| Power: | 2×AA-type battery 3V adaptor |
| Test results: | trigonometry:result of sin-1(cos-1(tan-1(tan(cos(sin(60°)))))), reference value: 60. 61.2093 exponential:result of 0.999160000, reference value (first 14 digits): 3.0068804206375×10-70 3.00705E-70 |
MBO Exakt 50
Inside of the Exakt 50
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