Internal Rate Of Return; Calendar; Actual Day Basis; 30/360 Day Basis - HP 12C Platinum Owner's Handbook Manual

CF = cash flow at period j.
j
CF
1
NPV =
CF + ----------------- -
0
( )
1 + i

Internal Rate of Return

n = number of cash flows
CF = cash flow at period j.
j
IRR = Internal Rate of Return
k
(
1 – 1 +
∑
⋅
0 = CF -------------------------------------- -
j
IRR
j = 1

Calendar

Actual Day Basis

∆DYS = 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.

30/360 Day Basis

DAYS = f(DT ) – f(DT
2
f(DT) = 360 (yyyy) + 30mm + z
Appendix : Formulas Used
CF CF
2 n
...
+ ----------------- - + + ----------------- -
1 2 n
( ) ( )
1 + i 1 + i
∑
–
– n
) j
IRR
⋅ ( )
<
1 + IRR q
)
1
)
1
nq
j + CF
0
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