Casio fx-82MS

20 Mastering the Calculator using the Casio fx-82MS
7. Scientific notation
Sometimes you may have numbers expressed in scientific notation, i.e., 7.24 × 10
3
instead of
7240. When a number is multiplied by 10
3
, you move the decimal point three places to the
right. You can do this on the calculator by using the
key.
Press , the display should read 7240.
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 press three times then the display will read
which means 3.56952 × 10
4
. Pressing the mode three times gives you