Casio fx-CG50 User Manual page 284

u PBP
{ {
0 .................................. ( 0 .................................. (
PBP = PBP =
n – n –
NPV NPV
n
: smallest positive integer that satisfies the conditions
Press 3(CASH) from the Financial 1 screen to display the following input screen for Cash
Flow.
3(CASH)
I
% ........ interest rate
Csh ....... list to be used for cash flow data
If you have not yet input data into a list, press 5( 'LIST) and input data into a list.
After configuring the parameters, use one of the function menus noted below to perform the
corresponding calculation.
• { NPV } ... {net present value}
• { IRR } ... {internal rate of return}
• { PBP } ... {payback period}
• { NFV } ... {net future value}
• { 'LIST } ... {inputs data into a list}
• { LIST } ... {specifies a list}
• An error occurs if parameters are not configured correctly.
Use the following function menus to maneuver between calculation result screens.
• { REPEAT } ... {parameter input screen}
• { GRAPH } ... {draws graph}
After drawing a graph, you can press !1(TRACE) to turn on trace and read calculation
results along the graph.
Press J to return to the parameter input screen.
CF CF > 0) > 0)
0 0
NPV NPV
n n
... ...
(Other than those above) (Other than those above)
– NPV – NPV
n n n n
+1 +1
NPV n < 0,
7-8
n n
Σ Σ CF CF
NPV NPV = =
n n
+ i + i
(1 (1
k k
= 0 = 0
NPV > 0, or 0
n
+1
k k
k k
) )