Texas Instruments SR-50
| Manufacturer: | Texas Instruments (USA/Netherland) |
| OEM: | https://www.ukomega.cc/ (ismeretlen) |
| OEM model: | n.a. |
| Mfg. date: | 1974-75 |
| Size: | 8×14,7×3 cm |
| Weight (ready for operate): | 243 g |
| Type: | scientific |
| Capacity: | 10/10+2 digits (input/display) 13/13+2 digits (internal precision) |
| Operating logic: | algebraic with precedence |
| CPU: | Texas Instruments TMC0501NL + TMS0521NC |
| Registers: | 3 standard (with saving the pending operation) 1 memory (with aritmetic) |
| Features: | +/-change sign (direct entry of negative numbers) RVexchange registers (X-Y) 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) hyphyperbolic functions (sinh, cosh, tanh and inverses: ar sinh, ar cosh, ar tanh) logexponential and logarithmical functions (10- and e-base) yxraising to power n!factorial |
| Display: | 10+2+2 digit LED (Texas Instruments) |
| Power: | BP-1 rechargeable battery pack with AC9200 charger |
| Test results: | trigonometry:result of sin-1(cos-1(tan-1(tan(cos(sin(60°)))))), reference value: 60. 60.0000145691 exponential:result of 0.999160000, reference value (first 14 digits): 3.0068804206375×10-70 3.006880460815E-70 |
Texas Instruments SR-50 dutch version
SR-50 inside
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