This manual describes the operation of the Sharp QS-2130 electronic calculator, including operating controls, power supply, common errors, and specifications.
The Sharp QS-2130E is a solar-powered electronic calculator designed for accurate arithmetic calculations. It features a folding support for comfortable desk positioning and utilizes a backup battery to retain memory when light levels are insufficient. The device includes advanced functions such as constant calculation, add mode, accumulation, and multiple memory registers.
| Type | Electronic calculator |
|---|---|
| Operating capacity | 12 digits |
| Decimal point (Read in) | Floating up to 11 decimal places |
| Power supply | Built-in solar cell and lithium battery (3V DC CR2032 x 1) |
| Automatic Power-off | Approx. 7 min. |
| Operating temperature | 0 °C ~ 40°C (32°F to 104°F) |
| Dimensions | 185(W) × 175(D) × 18(H) mm |
| Weight | Approx. 290 g ( 0.64 lb.) |
The backup battery can support the solar cell for approximately seven years at room temperature, and it is recommended to replace it at least once every seven years.
If the light exposed to the solar cell is 150 Iux or lower, the backup battery is turned on automatically to operate the calculator.
The calculator uses a lithium battery, specifically one CR2032 cell.