Sharp QS-2130 User Manual - Free PDF Download

Page 2 - Operational Notes, Care Instructions, and Troubleshooting

Operational notes, care instructions regarding cleaning and environmental conditions, folding support features, and troubleshooting display issues.

Page 3 - Keyboard and Component Diagram

Diagram labeling the keyboard keys, solar cell, display, and function keys such as square root, memory, and percentage.

Page 4 - Calculator Operating Controls

Explanation of key selectors for constant mode, rounding, and decimal/add modes.

Page 5 - Memory Functions and Clearing Operations

Instructions for using the accumulation selector, memory keys, and clear all functions with examples.

Page 6 - Specific Key Functions

Functions of keys including Item Count, Right Shift, Square Root, and Clear Entry.

Page 7 - Primary Key Functions

Descriptions and examples for keys such as Change Sign, Power On/Clear, Numeral Keys, Decimal Point, Equals, Multiple Use, and Percent.

Page 8 - Arithmetic and Memory Register Operations

Functions of division and multiplication keys, first memory register keys (M+, M-, RM, CM), and display symbols.

Page 9 - Solar Power System Requirements

Minimum light levels required for operation in different environments and backup battery activation conditions.

Page 10 - Backup Battery Replacement Procedure

Instructions and a six-step process for removing and installing the backup battery, referencing figures.

Page 11 - Power Management Features

Details on the MEMORY SAFE GUARD function and the Automatic Power-Off (A.P.O.) function.

Page 12 - Basic Calculation Examples

Examples demonstrating how to perform addition, subtraction, multiplication, and division using key operations.

Page 13 - Advanced Mathematical Operations

Instructions and examples for square, power, reciprocal, square roots, constant, and percent calculations.

Page 14 - Memory Calculation Procedures

Step-by-step operations for performing memory calculations and add-on/discount calculations using memory keys.

Page 15 - Financial Calculations

Formulas and keystroke instructions for calculating selling price and gross profit using percent mark-up based on cost or selling price.

Page 16 - Averaging Calculations

Step-by-step operation table for calculating the average of a series of values, such as daily sales.

Page 17 - Complex Memory Expression Calculation

Step-by-step example demonstrating how to use the second memory function to calculate complex expressions.

Page 18 - Error Conditions and Overflow Handling

Description of error situations like entering numbers exceeding twelve digits, division by zero, and taking the square root of a negative number, along with error clearing methods.

Page 19 - Technical Specifications

Listing of technical specifications including operating capacity, calculation functions, power supply, temperature range, physical dimensions, weight, and accessories.