How To Operate; Read Before Using; Key Layout - Sharp WriteView EL-W531 Operation Manual

≈Read Before Using≈

This operation guide has been written based on the EL-W531, EL-W531G, and
EL-W531H models. Some functions described here are not featured on other models.
In addition, key operations and symbols on the display may differ according to the model.

1. KEY LAYOUT

2nd function, ALPHA keys
Pressing these keys will enable the
functions written in orange (2nd F)
or green (ALPHA) above the
calculator buttons.
2nd function
Written in orange
above the ON/C key
<Power off>
ON/C, OFF key
Direct function

How to Operate

<Power on>
SHARP SHARP
Mode key
This calculator can operate in three different
modes as follows.
<Example>
[Normal mode]
[STAT mode]
(SD):
(LINE):
(QUAD): Quadratic regression calculation
(E_EXP): Eular Exponential regression calculation
(LOG):
(POWER): Power regression calculation
(INV):
(EXP):
[Drill mode]
(MATH): Math drill
(TABLE): Multiplication table drill
2
•Mode = 0; normal mode
for performing normal
arithmetic and function
calculations.
•Mode = 1; mode for
performing 1- or 2-variable
statistical calculations. To
select the statistical sub-
mode, press the
corresponding number key
after .
Single variable statistic calculation
Linear regression calculation
Logarithmic regression calculation
Inverse regression calculation
Exponential regression calculation
•Mode = 2; mode for
performing drill
calculations. To select the
drill sub-mode, press the
corresponding number
key after .
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