Elektronika B3-38
| Manufacturer: | Ангстрем (Angsztrem / Angstrem) (USSR) |
| Mfg. date: | 1978-85 |
| Size: | 9×5,5×0,6 cm |
| Weight (ready for operate): | 30 g |
| Price: | HUF 1.450 (PIÉRT, 1983) |
| Type: | scientific |
| Capacity: | 8/6+2 digits (input/display) 10+2 digits (internal precision) |
| Operating logic: | algebraic |
| CPU: | Angsztrem K757IP1-2 |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) 2 bracket (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 SDone variable statistics: calculating mean and standard deviation n!factorial |
| Display: | 9 digit LCD |
| Power: | 2×LR43 button cells |
| Test results: | trigonometry:result of sin-1(cos-1(tan-1(tan(cos(sin(60°)))))), reference value: 60. 59.991592 exponential:result of 0.999160000, reference value (first 14 digits): 3.0068804206375×10-70 3.0068804E-70 |
B3-38
The PCB of the B3-38
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