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Using π π, And scientifi c constants – Casio fx-50F PLUS User Manual

Page 24

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E-23

A Clearing the Value Assigned to a Variable (to 0)

Example: To clear variable A

01t(STO) -(A)

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

1t(STO) $(B)

5*8

1t(STO) w(C)

S$(B)/

Sw(C)w

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.

19(CLR)1(Mem)w

• If you do not want to clear the calculator’s settings, press

A in place of w in the above

operation.

Using

π

π ,

e

, and Scientifi c

Constants

k

Pi (

π

π

) and Natural Logarithm Base

e

The calculator supports input of pi (

π ) and natural logarithm base

e

into calculations.

π and

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 ( 1e(π ))

e

= 2.71828182845904 (

Si(

e

))

9 Ч 6 + 3

5 Ч 8

= 1.425

9 Ч 6 + 3

5 Ч 8

= 1.425

9Ч6+3

B

57

9×6+3

B

57

5×8

C

40

5×8

C

40

B÷C

1425

BчC

1425