Clearing All Memory Contents; E , And Scientifi C Constants; Pi ( Π ) And Natural Logarithm Base E - Casio fx-50F User Manual

A Clearing the Value Assigned to a Variable (to 0)
Example: To clear variable A
0
A Calculation Example Using Variables
Example: To perform calculations that assign results to variables B and C, and then use the
variables to perform another calculation
9 × 6 + 3 9 × 6 + 3
5 × 8 5 × 8
k

Clearing All Memory Contents

Perform the following key operation when you want to clear the contents of independent
memory, variable memory, and Answer Memory.
9 (CLR) 1 (Mem) w
• If you do not want to clear the calculator's settings, press
operation.
Using π π ,
Constants
π π
k
) and Natural Logarithm Base e
Pi (
The calculator supports input of pi ( π ) and natural logarithm base
e
are supported in all modes, except for the BASE Mode. The following are the values that
the calculator applies for each of the built-in constants.
π = 3.14159265358980 (
e
= 2.71828182845904 (
(STO) - (A)
= 1.425 = 1.425
e
, and Scientifi c
(π ))
e
( ))
9*6+3
(STO) (B)
5*8
(STO) (C)
(B) /
(C) w
E-23
9 × 6 + 3 → B 9 × 6 + 3 → B
5 × 8 → C 5 × 8 → C
B ÷ C B ÷ C
1425 1425
in place of w in the above
into calculations. π and
e
57 57
40 40