This manual introduces the operation of fx-95 fx-500A Ck calculator. It mainly includes precautions, key index, table of contents, general introduction, operation and order of execution, correction, super position or error check, power supply, general calculation, function calculation, standard deviation, equation calculation, specification, etc.
This manual provides a complete guide to using the Casio fx-95 and fx-500A scientific calculators. It covers power on/off, keyboard functions, various calculation modes, symbol displays, and error handling.
Safety instructions, battery specifications, dimensions, and environmental limits are also included to help users maintain reliable performance and avoid damage. This manual is written in Chinese.
| Power source (fx-95) | 2 AA manganese dry cells (UM‑3 or R6P) |
|---|---|
| Battery life (fx-95, UM‑3) | ≈9 000 hours |
| Power source (fx-500A) | 2 alkaline manganese batteries (LR44 or SR44) |
| Battery life (fx-500A, LR44) | ≈700 hours |
| Power consumption | 0.0004 W |
| Operating temperature range | 0 °C – 40 °C |
| Dimensions (fx-95) | 23.6 mm × 78 mm × 158.5 mm (H × W × L) |
| Weight (fx-95) | 150 g (including batteries) |
Press the ON key to turn the calculator on, and press the OFF key to turn it off.
The fx-500A uses two LR44 or SR44 alkaline manganese batteries; LR44 lasts about 700 hours and SR44 about 1 800 hours.
If the calculator is idle for about six minutes, it automatically powers off while preserving stored data and settings.
No; the device should not be stored or used in temperatures above 40 °C.