Sharp WriteView EL-W531 User Manual

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CONTENTS
HOW TO OPERATE
Read Before Using
Functions and Key Operations
ON/OFF, entry correction keys 6
Data entry keys 7
Random key 8
Modify key 9
Basic arithmetic keys, parentheses 10
Percent 11
Inverse, square, cube, xth power of y,
square root, cube root, xth root of y 12
10 to the power of x, common logarithm,
logarithm of x to base a
13
e to the power of x, natural logarithm 14
Factorials 15
Permutations, combinations 16
Time calculation 17
Fractional calculations 18
Memory calculations 19
Last answer memory 20
User-defined functions 21
Absolute value 22
Trigonometric functions 23
Arc trigonometric functions 24
Hyperbolic functions 25
Coordinate conversion 26
Binary, pental, octal, decimal, and
hexadecimal operations (N-base) 27
Key layout 2
Reset switch/Display pattern 3
Display format and decimal setting function 3-4
Exponent display 4
Angular unit 5
STATISTICS FUNCTIONS
Data input and correction 28
“ANS” keys for 1-variable statistics 29
Data correction 30-32
“ANS” keys for 2-variable statistics 33
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Sharp WriteView EL-W531 Specifications

General

Display	Dot matrix display
Type	Scientific calculator
Operating Temperature	0°C to 40°C
Power Source	Battery
Number of Display Digits	16
Memory	9
Battery Type	LR44 x 1
Weight	Approx. 100g