Canon Palmtronic F-31
| Manufacturer: | Canon Inc. (Japan) |
| Mfg. date: | 1977-78 |
| Size: | 7,5×14,4×2,1 cm |
| Weight (ready for operate): | 169 g |
| Price: | HUF 1.000 (PIÉRT, 1978) |
| Type: | extended four-function |
| Capacity: | 8 digits (input/display) 8 digits (internal precision) |
| Operating logic: | algebraic |
| CPU: | Texas Instruments TMS1045NL |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) 1 bracket (with saving the pending operation) 1 memory (with aritmetic) |
| Features: | %calculation with percent +/-change sign (direct entry of negative numbers) RVexchange registers (X-Y) AddAdd mode: the last two digit will be the fraction Ffloating-point notation Fixfixed-point notation: the listed decimals can be chosen (0, 2) BSbackspace (right-shift) function Sqrsquare root x2square pivalue of pi (3.1415..) can be recalled 1/xreciprocal |
| Display: | 9 digit VFD (Futaba 9-ST-11) |
| Power: | 2×AA-type battery 3V adaptor |
F-31
Inside of the F-31
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