How To Operate; Read Before Using; Key Layout - Sharp EL-W531X Operation Manual

≈Read Before Using≈

This operation guide has been written based on the EL-W531X, EL-W535X, EL-W531XH,
EL-W531XG, EL-W531, EL-W506X, EL-W516X and EL-W506 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
(EL-W506X/EL-W516X/EL-W506 only)

How to Operate

<Power on>
Mode key
This calculator can operate in three different
modes as follows.
<Example>
•Mode = 0; normal mode
[Normal mode]
for performing normal
arithmetic and function
calculations.
•Mode = 1; mode for
[STAT mode]
performing 1- or 2-variable
statistical calculations. To
select the statistical sub-
mode, press the
corresponding number
key after
(SD): Single variable statistic calculation
(LINE): Linear regression calculation
(QUAD): Quadratic regression calculation
(E_EXP): Eular Exponential regression calculation
(LOG): Logarithmic regression calculation
(POWER): Power regression calculation
(INV): Inverse regression calculation
(EXP): Exponential regression calculation
•Mode = 2; mode for
[Drill mode]
performing drill
calculations. To select the
drill sub-mode, press the
corresponding number
key after
(MATH): Math drill
(TABLE): Multiplication table drill
3
.
.