# CASIO

User´s Guide

## Arithmetic Calculations

Negative values inside of calculations must be enclosed within parentheses. For details, see "Calculation Priority Sequence."

It is not necessary to enclose a negative exponent within parentheses.

sin 2.34 × 10-52345

Example 1: 23 + 4.5 - 53 = -25.5

• 234553
• -25.5

Example 2: 56 × (-12) ÷ (-2.5) = 268.8

• 561225
• 268.8

Example 3: 2 ÷ 3 × (1 × 1020) = 6.666666667 × 1019

• 23120
• 6.666666667×1019

Example 4: 7 × 8 - 4 × 5 = 36

• 7845
• 36.

Example 5: 64 × 5 = 0.3

• 645
• 0.3

Example 6: 2 × [7 + 6 × (5 + 4)] = 122

• 27654
• 122.

### Number of Decimal Places and Number of Significant Digits

To change the settings for the number of decimal places, the number of significant digits, or the exponential display format, press the key a number of times until you reach the setup screen shown below.

Press the number key (, , or ) that corresponds to the setup item you want to change.
(Fix): Number of decimal places
(Sci): Number of significant digits
(Norm): Exponential display format

Example 1: 200 ÷ 7 × 14 =

• 200714

(Specifies three decimal places.)

• ･････(Fix)

Press ･････(Norm) to clear the Fix specification.

Example 2: 1 ÷ 3, displaying result with two significant digits (Sci 2)

• ･････(Sci)　13

Press ･････(Norm) to clear the Sci specification.

### Omitting a Final Closed Parenthesis

Example: (2 + 3) × (4 - 1 = 15

• 2341
• 15.