Cash-Flow Calculations - HP 17bll+ User Manual

INT' ＝ BAL x i (INT' is rounded to the current display setting;
INT' ＝ 0 for period 0 in Begin mode)
INT ＝ INT' (with sign of PMT )
PRIN ＝ PMT + INT'
PRIN ＝ PMT + INT'
＝ BAL
BAL + PRIN
new old
＝ ∑INT
∑INT
new old
＝ ∑PRIN
∑PRIN
new
Interest Rate Conversions
Periodic compounding
EFF
Continuous compounding

Cash-Flow Calculations

j ＝ the group number of the cash flow.
＝ amount of the cash flow for group j.
CF
j
＝ #TIMES the cash flow occurs for group j.
n
j
k ＝ the group number of the last group of cash flows.
∑
N
＝
j
≤
l
1
NPV CF
＝
When NPV = 0, the solution for i% is IRR%.
248 B: More About Calculations
+ INT
+ PRIN
old


NOM
+

% 1
＝


100



NOM
EFF e
% 
＝

=
n
total number of cash flows prior to group j
l
＜j
k
∑
+
CF USPV i
( x
j
0
j
1
=

P

%
− ×

1

×

P



%
− ×
1  100
100

n x SPPV i
( % : )
j
100
N
( % : ))
j