# Casio fx-570ES PLUS User Manual: Basic Calculations

Casio calculator user's guide.

÷ 6 = 1
6
( )
( ' 2 + 2)
2
While Linear Display is selected, each press of
displayed calculation result between its decimal form and fraction form.
1 ÷ 5 = 0.2 = 1
1
5
1 – 4
= 1
5
5
1
4
Important: • Depending on the type of calculation result that is on the display
when you press the
to perform. • With certain calculation results, pressing the
convert the displayed value.
Note: With Natural Display, pressing
a calculation will display the calculation result in decimal form. Pressing
after that will switch to the fraction form or
The
form of the result will not appear in this case.

## Basic Calculations

Fraction Calculations
Note that the input method for fractions is different, depending upon whether
you are using Natural Display or Linear Display.
2 + 1 = 7
3
2
1 = 1
4 − 3
2
Note: • Mixing fractions and decimal values in a calculation while Linear
Display is selected will cause the result to be displayed as a decimal value.
• Fractions in calculation results are displayed after being reduced to their
lowest terms.
To switch a calculation result between improper fraction and mixed
fraction format: Perform the following key operation:
To switch a calculation result between fraction and decimal format:
Press
.
= 0.5235987756
6
' 3 = ' 6 + 2 ' 3 = 5.913591358
2
5
= 0.2
5
key, the conversion process may take some time
6
or
4
2
1
6
' 6 + 2 ' 3
3
0.2
1 5
form of the calculation result.
2
3
2
3
2
3
(
) 3
4
3
E-10
f
0.5235987756
5.913591358
f
will toggle the currently
f
f
key will not
after inputting
1
2
1
2
1
2
1
2
1
2
(
1 5
0.2
7
6
7
6
7 6
1
2
1 2
)

Fx-991es plus