Appendix E: Formulas Used; Percentage; Interest; Simple Interest - HP 12C User Manual
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- User manual (288 pages) ,
- Owner's handbook manual (213 pages) ,
- Reference manual (168 pages)
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Percentage
y ×
Base(
)
=
%
100
⎛
NewAmount(
⎜
∆
=
%
100
⎜
⎝
⎛
Amount(
⎜
=
%T
100
⎜
Total(
⎝
Interest
n
= number of compounding periods.
i
= periodic interest rate, expressed as a decimal.
PV
= present value.
FV
= future value or balance.
PMT
= periodic payment.
S
= payment mode factor (0 or 1) indicating treatment of PMT.
0 corresponds to End, 1 to Begin.
I
= interest amount.
INTG (n)
= integer portion of n.
FRAC (n)
= fractional portion of n.
Simple Interest
n
=
×
I
PV
360
360
n
=
×
I
PV
365
365
File name: hp 12c pt_user's guide_English_HDPMF123E27
Printed Date: 2005/8/1
Appendix E
Formulas Used
Rate(
x
)
⎞
−
x
)
Base(
y
)
⎟
⎟
Base(
y
)
⎠
⎞
x
)
⎟
⎟
y
)
⎠
×
i
×
i
250
Page: 250 of 275
Dimension: 14.8 cm x 21 cm
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