This document is a user manual for the calculator, which mainly introduces the operation methods, precautions and other content of the calculator
This document is the operation manual for the Sharp EL-S50B-BL electronic calculator. It provides instructions on using the device in Calculator mode for arithmetic operations and Drill mode for practicing math problems, including a Multiplication Table Drill mode.
The manual details key functions such as power control, clearing entries, and selecting operators like addition, subtraction, multiplication, and division. It also explains how to configure drill settings, such as the number of questions (25, 50, or 100) and specific operator types for random math exercises.
| Operating capacity | 10 digits |
|---|---|
| Power supply | Lithium battery (3.0V — DC CR2032 x 1) |
| Battery life | Approx. 7 years |
| Dimensions | 87 mm(W) x 116.5 mm(D) x 28.5 mm(H) |
| Weight | Approx. 81 g |
The calculator has an operating capacity of 10 digits.
The battery life is approximately 7 years with one hour of daily use.
Yes, you can select between 25, 50, and 100 questions.
The 'E' symbol appears if an error is detected.