This manual provides basic explanations of unit operations, handling precautions, and step‑by‑step instructions for using the FC‑100 financial calculator. It covers arithmetic, statistical, and financial calculations, as well as cost, selling price, and margin calculations.
Key sections include battery replacement procedures, the auto‑power‑off feature, and detailed descriptions of each function key. Specifications such as display size, power consumption, and dimensions are listed at the end of the document.
| Display / digits | 10‑digit mantissa or 7‑digit mantissa plus 2‑digit exponent |
|---|---|
| Power consumption | 0.0006 W |
| Power source | One lithium battery (CR2025C) |
| Battery life (continuous operation) | ≈1,300 hours |
| Auto power‑off time | ≈6 minutes |
| Ambient temperature range | 0 °C – 40 °C (32 °F – 104 °F) |
| Dimensions (H × W × D) | 9 mm × 72 mm × 129 mm |
| Memory | 1 independent memory and 6 constant memories |
Replace the battery at least once every two years, even if the calculator is not used.
The calculator automatically turns off after about six minutes of inactivity; it can be turned on again by sliding the power switch or pressing the 6/8 key.
The calculator measures 9 mm high, 72 mm wide, and 129 mm deep.