Basic Calculations; Arithmetic Calculations; Fractions - Casio fx-50F User Manual

• Instead of pressing
the error, you could also press A to clear the calculation.

Basic Calculations

Unless otherwise noted, the calculations in this section can be performed in any of the
calculator's calculation mode, except for the BASE Mode.
k

Arithmetic Calculations

Arithmetic calculations can be used to perform addition ( + ), subtraction ( - ),
multiplication ( * ), and division ( / ).
Example 1: 2.5 + 1 − 2 = 1.5
Example 2: 7 × 8 − 4 × 5 = 36
• The calculator determines the proper priority sequence for addition, subtraction,
multiplication, and division automatically. See "Calculation Priority Sequence" on page 71
for more information.
k

Fractions

Fractions are input using a special separator symbol ( { ).
Key Operation
Improper
7$3
Fraction
Mixed
2$1$3
Fraction
Note
• Under initial default settings, fractions are displayed as mixed fractions.
• Fraction calculation results are always reduced automatically before being displayed.
Executing 2 { 4 = for example, will display the result 1 { 2.
or while an error message is displayed to fi nd the location of
2.5+1-2w
7*8-4*5w
E-14
14 ÷ 1I0 × 2 14 ÷ 1I0 × 2
1
14 ÷ 10 × 2 14 ÷ 10 × 2
w
2.5 + 1 – 2 2.5 + 1 – 2
7 × 8 – 4 × 5 7 × 8 – 4 × 5
Display
7
{
Numerator Denominator
2 1
{
Integer Numerator Denominator
28 28
15 15
36 36
3
3
{