Casio fx9750GII Getting Started page 12

GETTING STARTED
Basic activities in RUN-MAT icon cont.
Powers and roots cont.
KEY
Algebraic Substitution
Enter the calculation by replacing each letter in the formula with its corresponding number.
Example
Calculate V = (A – 4)(B + 4) where A = 30.34 and B = 47.5
( 3 0
7 . 5
When you have a number of algebraic substitutions to do then it would be easier to use the memory aspect of the
calculator keys. There are 28 different storage places i.e. A ~ Z, θ and Γ. These are accessed via the [ALPHA] key then
the associated key required.
KEY
Example
Calculate V = (A – 4)(B + 4) where A = 30.34 and B = 47.5
3 0
4 7
( A -
EXE
then
Example
Evaluate
4
then
. 3 4 -
+ 4 )
then
You 'assign' a value to the letters you want to use with the [→]
button, then enter the algebraic expression into the calculator. Press
[EXE] for the calculator to store the value in the memory.
→
. 3 4 A
→
. 5 B then
)
4 ( B
4
√625
6 2
^
SHIFT
EXE
4 ) ( 4
EXE
EXE
then
EXE
)
+ 4
Result
5
Result
Result