Casio fx-CG10 PRIZM Quick Reference Manual page 19

RECURSION
1. Suppose $100.00 is deposited into a savings account with an interest rate of 4% compounded quarterly. How much
is in the account for each of the first 8 quarters?
Because this is a discrete model, it can be modeled as a sequence. Although the menu says Recursion, it can be used
for both explicit and recursive sequences. From the Main Menu, press to open the sequence editor. If the type is
8
not a , press e(TYPE)q(a ). The account pays 1% per quarter so enter the formula as shown, using q(n) for n.
n n
Press l.
To create a table of values, press y(SET). Select Start and End values and press
after entering each value. To
l
display the table, press u(TABLE).
This sequence can also be viewed as a graph. Before plotting the graph, set a window by pressing
Le
(V-Window). Press d. To see the graph, press u(GPH-PLT). To trace on the graph, press
Lq(Trace).
Getting Started with the fx-CG10
19