Calculator User Manual
Index 109
MOD (modified internal rate of 
return)
 41, 45
Modified duration (DUR)
 54
Modified internal rate of return 
(MOD)
 41, 45
Mortgages
 21
Multiplication
 8
N
n (number of observations) 65, 67
N (number of periods)
 24
N (number of periods, TVM 
worksheet)
 22
Negative (–) indicator
 3
Net future value (NFV)
 41, 45
Net present value (NPV)
 41, 45
NEW (new value)
 72, 73, 74
New value (NEW)
 72, 73, 74
NFV (net future value)
 41, 45
NOM (nominal rate)
 76
Nominal rate (NOM)
 75, 76
NPV (net present value)
 41, 45
Number of observations (n)
 65, 67
Number of periods (#PD)
 72, 73, 74
Number of periods (#PD), Percent 
Change/Compound Interest 
worksheet
 72
Number of periods (N)
 24
Number of periods (N), TVM 
worksheet
 22
Number separators format
 4
O
OLD (old value) 72, 73, 74
Old value (OLD)
 72, 73, 74
One coupon per year (1/Y)
 54, 55, 57
One-variable statistics (1-V)
 65, 67
Outflows
 21, 25
Overview of calculator operation
 1–
19
P
P (unit price) 80, 81
P/Y (payments per year)
 22, 24, 25
P1 (starting payment)
 22, 24
P2 (ending payment)
 22, 24
Par value
 56
Parentheses
 8, 10
Payback (PB)
 41, 45
Payment (PMT)
 22, 23, 24
Payments per year (P/Y)
 22, 24, 25
PB (payback)
 41, 45
Percent
 8
Percent add-on
 8
Percent change (%CH)
 72, 73, 74
Percent Change/Compound Interest 
worksheet
 71
Percent discount
 8
Percent ratio
 8
Permutations
 8, 10
PFT (profit)
 80, 81
PMT (payment)
 22, 23, 24
Population standard deviation of X 
((x)
 65, 67
Population standard deviation of Y 
((y)
 65
Power regression (PWR)
 65, 67
Predicted X value (X')
 65, 67, 69
Predicted Y value (Y')
 65, 67, 69
Premium bond
 56
Present value (PV)
 22, 23, 24
PRI (bond price)
 58
PRI (dollar price)
 54, 56, 57
Principal paid (PRN)
 22, 24
PRN (principal paid)
 22, 24
Procedures
computing accrued interest
 57
computing basic loan interest
 26
computing bond price
 57
computing bond yield
 57
computing breakeven
 81
computing breakeven quantity
81
computing compound interest
72
computing cost-sell-markup
 72
computing dates
 77
computing discounted payback
45
computing internal rate of 
return
 46
computing modified duration
 58
computing modified internal 
rate of return
 46










