Simple Interest Calculations - Casio FX-9750G PLUS User's Manual & Technical Reference

19-2 Simple Interest Calculations

This calculator uses the following formulas to calculate simple interest.
365-day Mode
360-day Mode
Press 1 (SMPL) from the Financial 1 screen to display the following input screen
for simple interest calculation.
P.7 In the set up screen, specify "360" for Date Mode and "Fix2" for Display and then
P.6 press J.
Perform the following key operations from the input screen.
324
SI' = n
SI' = n
SI = –SI'
SFV = –(PV + SI')
n ......................
number of interest periods (days)
I% ................
annual interest rate
PV
.................. principal
SI SFV
• { }/{ } ... calculates {interest}/{principal plus interest}
Example What would the interest amount and principal plus interest be
for a loan of $1,500 borrowed for 90 days at an annual rate of
7.25%?
Use the 360-day mode and two decimal places.
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h.cfw
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SI
)
1(
× PV × i
i =
365
× PV × i
i =
360
I%
SI
: interest
100
n
: number of interest
I%
periods
100
PV
: principal
I%
: annual interest
SFV
: principal plus interest