Calculations With The Same Formula - Casio FX-730P Owner's Manual

44
3-1 Calculations with the Same Formula
This unit is provided with a very convenient function called "Function Mem-
ory". This function permits easy calculations by simply assigning numeric values
to the variable as long as the formula is stored in advance.
The following keys are used for the "Function Memory".
~
........... Stores the contents currently written.
~
.. ... ...... Displays the stored content.
§I .. .........
If the stored content is a formula
, the desired numeric value will be
assigned to the used variables and the calculated result will be dis-
played.
A simple example is given below to learn the use of these three keys.
Example:
Obtain the value of y for each of the values assigned to
x
when y
=
3 .43 Cos x.
(Calculate in three decimal places.)
x
s·
15°
22° 27 °
31 °
y
Operation:
First specify the angle unit and number of decimal places.
~@)
(Angle unit: "DEG")
(Obtain in three decimal places by rounding off the 4th deci-
mal place.)
Next, input a formula, and press
the~
key to store it.
Press
the~
key to confirm that the formula has been stored.
Then, start calculating by pressing the§) key.