This document provides information about Casio calculator products, including the features and usage of different models.
This document serves as the official English user guide for the Casio fx-82SOLAR, fx-85B, fx-260SOLAR, and fx-280 scientific calculators. It provides detailed instructions on handling precautions, such as avoiding high temperatures and proper battery disposal for the battery models. The manual explains how to set up various modes including COMP (standard), SD (statistics), DEG/RAD/GRA (angular units), and FIX/SCI (display formats).
| Power Supply (fx-82SOLAR/fx-260SOLAR) | Solar cell |
|---|---|
| Power Supply (fx-85B/fx-280) | CASIO TWO-WAY POWER System: solar cell plus one G13 Type (SR44 or LR44)battery |
| Battery Life (fx-85B/fx-280) | Approximately 3 years (1 hour use per day) on LR44/SR44 battery |
| Operating Temperature | 0°C–40°C (32°F–104°F) |
| Calculation Capacity | 10-digit mantissa; or 10-digit mantissa plus 2-digit exponent up to 10 ±99 |
The battery life is approximately 3 years when using one LR44/SR44 battery with 1 hour of use per day.
To clear the main memory, press 0 followed by the M+ key.
Yes, DEG, RAD, and GRA modes can be used in combination with COMP and SD modes.