Texas Instruments TI-66
| Manufacturer: | Texas Instruments (USA) |
| OEM: | Toshiba Corporation (Japan) |
| OEM model: | n.a. |
| Mfg. date: | 1983 |
| Size: | 14,4×8,6×1,5 cm |
| Weight (ready for operate): | 106 g |
| Type: | programmable scientific |
| Capacity: | 10/7+2 digits (input/display) 13+2 digits (internal precision) |
| Operating logic: | AOS |
| CPU: | Toshiba T6875 |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) 9 bracket (with saving the pending operation) maximum of 64 memory (with aritmetic) 10 flag |
| Features: | +/-change sign (direct entry of negative numbers) Ffloating-point notation Fixfixed-point notation: the listed decimals can be chosen (0-9) Sciscientific (exponential) notation Engengineering 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 P-Rconverting coordinates between rectangular and polar systems |
| Display: | 10+1 digit LCD |
| Power: | 2×LR44 button cell |
| Programming method: | merged keystroke-programmable |
| Program capacity: | maximum of 512 steps |
| Test results: | trigonometry:result of sin-1(cos-1(tan-1(tan(cos(sin(60°)))))), reference value: 60. 60.00000016055 exponential:result of 0.999160000, reference value (first 14 digits): 3.0068804206375×10-70 3.006880421128E-70 |
TI-66
Inside of the TI-66
TI-66 with PC-200 printer unit
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