2 simple interest, Simple interest -2-1, 2 simple – Casio SERIES FX-9860G User Manual
Page 375: Interest
20070201
7-2 Simple Interest
This calculator uses the following formulas to calculate simple interest.
u Formula
365-day Mode
SI
:
interest
n
: number of interest
360-day Mode
periods
PV
:
principal
I%
:
annual
interest
SFV
: principal plus interest
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 confi guring 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 confi gured correctly.
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
')
7-2-1
Simple Interest