Mastering the Calculator using the Sharp EL-531LH 3
1. Addition and subtraction
1.1 To add numbers
Find the key
(it is shown on the photograph of the calculator here).
Example
To add 7 and 3, type
The display should read 10
Example
I want to find the total amount I earned in the past four weeks. If I earned $471, $575, $471
and $528, the key strokes would be
The display should read 2045.
addition key
cancel last number key
Backspace
key
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