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Citizen SR-270N User Manual

Citizen SR-270N
160 pages
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Table of Contents

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Citizen SR-270N Specifications

General IconGeneral
TypeScientific
Form factorPocket
Product colorBlack, Purple
Digits12 digits
Display tiltingNo
Display number of lines2 lines
Battery typeGP76A
Auto power offYes
Weight and Dimensions IconWeight and Dimensions
Weight92 g
Dimensions (WxDxH)80 x 154 x 14 mm

Summary

General Guide

Power and Battery Management

Covers turning the calculator on/off, battery replacement, and automatic power-off features.

Reset Operation

How to perform a reset if the calculator shows unexpected results.

Display Settings and Readout

Details contrast adjustment and the calculator's display components.

Before Starting Calculation

Basic Operation and Input

Explains mode selection, using secondary functions, cursor movement, and input corrections.

Advanced Input Features

Covers replay function, error display, and memory calculation functionalities.

Calculation Principles

Details internal stack, order of operations, and calculation accuracy limits.

Calculation Modes and Functions

Error Conditions

Lists common error messages and how to resolve them.

Basic Calculations

Performing fundamental arithmetic, parentheses, and percentage calculations.

Display Formats and Continuous Calculation

Covers display notations, continuous calculation, and answer memory features.

Scientific and Specialized Calculations

Logarithms and Fractions

Details how to perform logarithmic and fraction calculations.

Angle and Hyperbolic Functions

Explains angle unit conversions and trigonometric/hyperbolic functions.

Coordinate and Probabilistic Operations

Covers sexagesimal conversion, coordinate transformation, probability, and other functions.

Statistical Calculations

Standard Deviation Calculation

How to perform standard deviation calculations.

Regression Calculation

Performing linear, logarithmic, exponential, and other regressions.

Disposal Information

WEEE Mark and Product Disposal

Information regarding the WEEE mark and proper disposal of electronic products.

Battery Disposal Guidance

Instructions for the collection and disposal of used batteries.

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