Appendix A: RPN and the Stack 171
Calendar and Financial Functions
The following table shows what quantity is in each stack register after the indi-
cated calendar or financial function key is pressed. The symbols x, y, z, and t rep-
resent the number that was in the corresponding register (X, Y, Z, or T,
respectively) at the time the function key was pressed.
Register
DÒÏ
n, ¼, $,
P, M,
l, L
a
aFor n, ¼, $, P, and M, the stack registers hold the quantities
shown if the key is pressed to calculate the corresponding quantity rather
than to merely store a number in the corresponding register.
!
T ttx t y
Z
tz
INT
365
z
x (number of
payments)
Y
z
∆DYS
30-day
–PV y
PMT
PRIN
X
DATE
∆DYS
actual
INT
360
n, i, PV, PMT,
FV, NPV, IRR
PMT
INT
Register
ESV, Ý,#
T y (settlement date) zy
Z x (maturity date) y (settlement date) x (number of year)
Y
INT x (maturity date)
RDV (remaining
depreciable value)
X PRICE YTM DEP
Ke y