20 Mastering the Calculator using the Sharp EL-531LH
Press , the screen shows
Where 7.24E03 is the calculator’s computational symbols for 7.24 × 10
3
Example
If you want to multiply two numbers e.g. 8.34 × 10
–2
× 4.28 × 10
5
. Press
and the display will read 35695.2
If you want this answer in scientific notation press both and until sci appears on
top of the screen and your display should read 3.56952 × 10
04
. If you wish to fix the number of
digits displayed, press
3, which rounds the number to 3 decimal places.
Practise using the key on your calculator
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