Sharp COMPET QS-2130 User Manual

QS-2130
ELECTRONIC CALCULATOR
OPERATION MANUAL
MODEL
QS-2130(U1E)-Cover 09.4.14, 5:50 PM1

Sharp COMPET QS-2130 Specifications

General

Brand	Sharp
Model	COMPET QS-2130
Category	Calculator
Language	English

Summary

Operational Notes and Precautions

Operational Precautions

Key recommendations for trouble-free operation, including environmental conditions and cleaning.

Operating Controls: Mode and Rounding Selectors

CONSTANT MODE SELECTOR

Controls constant functions for multiplication and division operations.

ROUNDING SELECTOR

Determines how answers are rounded in multiplication and division.

Operating Controls: Accumulation Selector

ACCUMULATION SELECTOR

Selects accumulation of numbers or answers in the 1st memory register.

Operating Controls: Count and Shift Keys

Operating Controls: Sign, Power, Number, and Decimal Keys

POWER ON/CLEAR KEY

Clears calculator contents and resets display; used for power on.

Operating Controls: Math and Memory Keys

1ST MEMORY KEYS

Replacing the Backup Battery

When to replace

Replacing the Backup Battery: How to Replace

How to replace

Step-by-step instructions and diagrams for replacing the backup battery.

Percent Mark-Up Based on Cost (MU)

Calculation method

Demonstrates calculating selling price and gross profit using mark-up percentage.

Error Handling and Overflow Calculations

OVER FLOW CALCULATION

Explains error conditions like overflow and digit limits, and how to recover.

Specifications

Type and Capacity

Calculations Supported