The following is an alphabetical list of commands.  In the
following descriptions, the values x, y and z are the bottom
three members of the stack, with x being the very bottom.

     COMMAND                         DESCRIPTION
==================  ======================================================
*                   multiplication
+                   addition
/                   devision
?                   help
_                   subtraction
abs                 absolute value
acos                arc cosine
amort               run amortization program
arg                 A*exp(i*b) -> b
argd                A*exp(i*b) -> b*180/pi
argp                A*exp(i*b) ->b/pi
asin                arc sine
atan                arc tangent
clearall            clear memory and stack
clearmemory         clear memory
clearstack          clear stack
comp                set display to show both real and imaginary numbers
conj                complex conjugate
cos                 cosine
cosh                hyperbolic cosine
cs                  change sign
d                   angle display in degrees
db                  decibels
deltatoy            delta to Y transformation, x = yz/(x+y+z) and cyclic perms
down                roll stack down
dr                  degrees to radians (multiply x by pi/180)
dtoa                real part in degrees to angle
exp                 e^x
fastmacro           set macros play to fast mode
fix                 set display to fixed mode
gen                 set display to general mode
getmemorysize       return the memory size to x
getprecision        return the precision to x
getstackdisplaysize return the stack display size to x
getstacksize        return the stack size to x
h                   help
i                   sqrt(-1)
im                  imaginary part of x
inv                 inverse
j                   sqrt(-1)
ln                  natural log (base e)
loadmacros          load macros from file (prompts for file)
log                 log base 10
memb                display memory in both cartesian and polar forms
memc                display memory only in cartesian form
memh                do not display memory (hide)
memp                display memory only in polar form
p                   phase angle displayed in units of pi radians
pi                  3.1415..
pow                 exponentiation (y to the x)
ptos                complex power from real power and pf y(1+j tan acos x)
q                   quit
r                   phase angle displayed in radians
rd                  radians to degrees) multiply by 180/pi)
re                  real part of x
real                display only real part of numbers
recordmacro         record a macro (prompts for associated macro key)
rtoa                real part in radians to angle
savemacros          save macros (prompts for file name)
sci                 set display to scientific notation
setmemorysize       attempt to set memory size to real part of x
setprecision        attempt to set precision to real part of x
setstackdisplaysize attempt to set stack display size to real part of x
setstacksize        attempt to set stack size to real part of x
showmacros          show macros
sin                 sine
sinh                hyperbolic sine
slowmacro           set macros to play one character at a time
sqr                 square
sqrt                square root
stos                complex power from magnitude of complex
                    power and pf       y(x +j sin acos x)
swap                swap real and imaginary parts of x
tan                 tangent
tanh                hyperbolic tangent
up                  roll stack up
xy                  swap x and y
ytodelta            delta to Y transformation  x = yz/(x+y+z) and cyclic perms
||                  parallel combination of impedances (xy)/(x+y)


