Simple interest, Simple interest -2 – Casio FX-9750GII User Manual
Page 197
7-2
I Graphing in the TVM Mode
After performing a financial calculation, you can use
(GRPH) to graph the results as shown
below.
• Pressing
to look up other financial values. In the case of simple interest, for example, pressing
C
displays
PV
,
SI
, and
SFV
. Pressing
B displays the same values in reverse sequence.
• Zoom, Scroll, and Sketch cannot be used in the TVM mode.
• Whether you should use a positive or a negative value for the present value (PV) or the
purchase price (PRC) depends on the type of calculation you are trying to perform.
• Note that graphs should be used only for reference purposes when viewing TVM mode
calculation results.
• Note that calculation results produced in this mode should be regarded as reference values
only.
• Whenever performing an actual financial transaction, be sure to check any calculation results
obtained using this calculator with against the figures calculated by your financial institution.
2. Simple Interest
This calculator uses the following formulas to calculate simple interest.
S Formula
365-day Mode
SI
:
interest
n
:
number of interest periods
360-day Mode
PV
: principal
I
%
: annual interest
SFV
: principal plus interest
Press
(SMPL) from the Financial 1 screen to display the following input screen for simple
interest.
(SMPL)
n
........... number of interest periods (days)
I
%
........ annual interest rate
PV
........ principal
SI
' = n
365 ×
PV
× i
SI
' = n
360 ×
PV
× i
I
%
100
i
=
I
%
100
i
=
SI
' = n
365 ×
PV
× i
SI
' = n
360 ×
PV
× i
I
%
100
i
=
I
%
100
i
=
SI
= –SI
'
SFV
= –(PV + SI
')
SI
= –SI
'
SFV
= –(PV + SI
')