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Discounted Cash Flow Analysis; Net Present Value; Internal Rate Of Return; Calendar - HP 12C Platinum User Manual

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Discounted Cash Flow Analysis

Net Present Value

NPV
= net present value of a discounted cash flow.
= cash flow at period j.
CF
j
CF
NPV
=
CF
+
0
1 (

Internal Rate of Return

n
= number of cash flows
CF
= cash flow at period j.
j
IRR
= Internal Rate of Return
1
k
0
CF
=
j
j
1
=

Calendar

Actual Day Basis

ΔDYS = f(DT
) – f(DT
2
where
f(DT) = 365 (yyyy) + 31 (mm – 1) + dd + INTG (z/4) – x
and
for mm ≤ 2
x = 0
z = (yyyy) – 1
for mm > 2
x = INTG (0.4mm + 2.3)
z = (yyyy)
INTG = Integer portion.
Note:
Additional tests are performed in order to ensure that the century (but
not millennium) years are not considered leap years.

30/360 Day Basis

DAYS = f(DT
) – f(DT
2
f(DT) = 360 (yyyy) + 30mm + z
for f(DT
)
1
if dd
= 31 then z = 30
1
if dd
≠ 31 then z = dd
1
for f(DT
)
2
if dd
= 31 and dd
2
if dd
= 31 and dd
2
if dd
< 31 then z = dd
2
CF
1
2
+
+
...
1
2
i
)
+
1 (
i
)
+
n
1 (
IRR
)
+
j
1 (
IRR
+
IRR
)
1
)
1
1
= 30 or 31 then z = 30
1
< 30 then z = dd
1
2
Appendix E: Formulas Used
CF
n
+
n
1 (
i
)
+
nq
)
CF
+
q
<
j
0
2
257

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