This manual covers safety and handling precautions, power‑on/off procedures, and the layout of keys and modes. It explains how to use primary, shifted, and SD‑mode functions, as well as how to select angular units, decimal places, and significant digits.
The document also details the calculator’s specifications, battery requirements, error handling, and correction procedures. It includes information on the order of operations, register usage, and how to interpret exponential and special display formats.
| Display digits | 10 digits |
|---|---|
| Auto power‑off time | ≈6 minutes |
| Battery type (fx-82SUPER) | 2 × AA manganese dry batteries (R6P or UM‑3) |
| Battery type (fx-250HA) | 2 × G13 (SR44 or LR44) batteries |
The calculator automatically switches off after approximately 6 minutes of inactivity.
It uses two AA size manganese dry batteries (R6P or UM‑3).