Casio fx-8200 AU - Memory, Variables, and Formatting; Memory Functions and Variables

• PreAns memory contents are cleared whenever you switch to another app besides the
Calculate app.
Using Ans Memory to Perform a Series of Calculations
Example: To divide the result of 3 × 4 by 30
3 4
(Continuing) 30
Inputting Ans Memory Contents into an Expression
Example: To perform the calculations shown below:
123 456
(Continuing) 789
Using PreAns Memory
Example: For T
k+2
= T
k+1
+ T
k
(Fibonacci sequence), determine the
sequence from T
1
to T
5
. Note however, that T
1
= 1 and T
2
= 1.
T
1
= 1
1
(Ans = T
1
= 1)
T
2
= 1
1
(Ans = T
2
= 1, PreAns = T
1
= 1)
T
3
= T
2
+ T
1
= 1 + 1
(PreAns)
(Ans = T
3
= 2, PreAns = T
2
= 1)
T
4
= T
3
+ T
2
= 2 + 1
34