Casio FX-820MS - Manual (Page 13)

E-11
COMP
• 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
k Initializing the Calculator
• Perform the following key operation when you want to
initialize the calculation mode and setup, and clear re-
play memory and variables.
A B 3 (All) =
Basic Calculations
k Arithmetic Calculations
Use the F key to enter the COMP Mode when you
want to perform basic calculations.
COMP .............................................................
F 1
• Negative values inside of calculations must be enclosed
within parentheses.
sin –1.23
→ S R D 1.23 T
• It is not necessary to enclose a negative exponent within
parentheses.
sin 2.34
҂ 10
–5
→ S 2.34 e D 5
• Example 1: 3
҂(5҂10
–9 )
҃ 1.5҂10
–8
3
-
5
e D
9
=
• Example 2: 5
҂(9ѿ7) ҃ 80
5
- R 9
+
7 T =
• You can skip all
T
operations before = .
k Fraction 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.