Texas Instruments TI-25
| Manufacturer: | Texas Instruments () |
| OEM: | Tokyo Shibaura Electric Co., Ltd. () |
| OEM model: | - |
| Mfg. date: | 1978-80 |
| Size: | 7,3×13,3×1 cm |
| Weight (ready for operate): | n.a. |
| Type: | scientific |
| Capacity: | 8/5+2 digits (input/display) 9+2 digits (internal precision) |
| Operating logic: | |
| CPU: | Toshiba (Texas Instruments) 1033734-1 |
| Registers: | 3 standard (with saving the pending operation) 3 bracket 1 memory (with aritmetic) |
| Features: | %calculation with percent +/-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) logexponential and logarithmical functions (10- and e-base) yxraising to power SDone variable statistics: calculating mean and standard deviation n!factorial |
| Display: | 8+1 digit |
| Power: | 2×LR44 gombelem |
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