This is a user manual for the CASIO FX-82ES series of calculators
This User's Guide explains how to operate Casio's FX‑82ES, FX‑83ES, FX‑85ES, FX‑300ES, and FX‑350ES scientific calculators. It covers safety and handling precautions, key functions, display settings, calculation modes, and how to use memory and statistical features.
The guide also lists technical specifications such as power requirements, battery life, power consumption, operating temperature range, dimensions, weight, and bundled accessories for each model.
| Power Requirements | AAA‑size battery: LR44 (UM‑4) x 1 (FX‑82ES/FX‑83ES/FX‑350ES); LR44 (GPA76) x 1 (FX‑85ES/FX‑300ES) |
|---|---|
| Power Consumption | 0.0002 W |
| Operating Temperature | 0 °C to 40 °C |
| Dimensions | 13.7 mm (H) × 80 mm (W) × 161 mm (D) |
| Approximate Weight | 110 g (3.9 oz) including the battery (FX‑82ES/FX‑83ES/FX‑350ES); 105 g (3.7 oz) for FX‑85ES/FX‑300ES |
| Bundled Items | Hard case |
Press the ON key (marked @iJ) to power up the calculator.
Press (SETUP) then (CONT) and use the arrow keys to change the contrast, then press CONTRAST to confirm.
They use a single LR44 (GPA76) button battery.
They can be used from 0 °C up to 40 °C.