Instruction manual for electronic calculator, including usage precautions, product specifications and other information
The Sharp EL-330A is an 8‑digit electronic calculator powered by a built‑in solar cell and an alkaline manganese LR44 battery. The manual explains how to perform basic calculations, set decimal display options, and adjust tax‑rate functions.
Safety instructions warn against pressing hard on the LCD, exposing the device to liquids, or discarding the battery in fire. The calculator features automatic power‑off after about 7 minutes, operates between –40 °C and 40 °C, and measures 102 mm × 148 mm × 15 mm, weighing roughly 125 g with battery installed.
| Type | Electronic calculator |
|---|---|
| Operating capacity | 8 digits |
| Automatic Power‑off | Approx. 7 min |
| Operating temperature | DeC - 40°C (32°F‑104°F) |
The calculator automatically powers off after approximately 7 minutes of inactivity.
The device can display up to 8 digits.