Simple Interest - Casio fx-9860G SD User Manual

7-2 Simple Interest

This calculator uses the following formulas to calculate simple interest.
u u u u u Formula
365-day Mode
360-day Mode
Press 1(SMPL) from the Financial 1 screen to display the following input screen for simple
interest.
1(SMPL)
n
.................................. number of interest periods (days)
I%
............................... annual interest rate
PV
............................... principal
After configuring the parameters, use one of the function menus noted below to perform the
corresponding calculation.
• {SI} ... {simple interest}
• {SFV} ... {simple future value}
• An error (Ma ERROR) occurs if parameters are not configured correctly.
7-2-1
Simple Interest
SI' = n
PV i
365
SI' = n
PV i
360
SI = –SI'
SFV = –(PV + SI')
I%
SI
: interest
i =
100
n
: number of interest
I%
periods
i =
100
PV
: principal
I%
: annual interest
SFV
: principal plus interest
20050401