Casio FX-820MS Basic Calculations, kInitializing the Calculator, kArithmetic Calculations, kFraction Operations, AB3, SRD

•Press the number key (1 or 2) that corresponds to the setting you want to use.

1(Dot): Period decimal point, comma separator

2(Comma): Comma decimal point, period separator

kInitializing the Calculator

•Perform the following key operation when you want to initialize the calculation mode and setup, and clear re- play memory and variables.

AB3(All) =

Basic Calculations COMP

kArithmetic Calculations

Use the F key to enter the COMP Mode when you want to perform basic calculations.

COMP ............................................................. F1

•Negative values inside of calculations must be enclosed within parentheses.

sin –1.23 → SRD1.23 T

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

sin 2.34
10–5→ S2.34 eD5

•Example 1: 3
(5
10–9) 1.5
10–8

3 - 5 e D9 =

• Example 2: 5
(97)  80 5 - R9 + 7 T=

• You can skip all T operations before =.

kFraction Operations

uFraction Calculations

•Values are displayed in decimal format automatically whenever the total number of digits of a fractional value (integer + numerator + denominator + separator marks) exceeds 10.

E-11