Table of Contents

 

General Guide

2

Turning on or off

2

Battery replacement

2

Auto power-off function

2

Reset operation

2

Contrast adjustment

3

Display readout

3

Before starting calculation

4

Mode Selection

4

Using “ 2nd ” keys

4

Cursor

4

Making corrections during input

4

Replay function

5

Error position display function

5

Memory calculation

5

Stack

6

Order of operations

6

Accuracy and Capacity

6

Error conditions

8

Basic Calculation

8

Arithmetic calculation

8

Parentheses calculations

9

Percentage calculation

9

Display formats

9

Continuous calculation function

10

Answer function

10

Scientific Calculation

10

Logarithms and Antilogarithms

10

Fraction calculation

10

Angle units conversion

11

Trigonometric / Inverse-Tri. functions

11

Hyperbolic / Inverse-Hyp. functions

11

Sexagesimal Decimal transformation

12

Coordinates transformation

12

Probability

12

Other functions ( x–1, , , , x2, x3, xy )

12

Standard Deviation Calculation

13

Regression Calculation

13

-E1-

 

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Citizen SR-270N manual Table of Contents