HP 49g

78
YVOL
* = function
YVOL Sets the depth of the view volume in VPAR. N
y
near
y
far
→
YYRNG Specifies the y range of an input plane (domain) for
GRIDMAP and PARSURFACE plots.
y
near
y
far
→
ZEROS Returns the zeros of a function of one variable, without
multiplicity.
<&
‘ symb
1
’ z
1
→ z
2
ZFACTOR Calculates the gas compressibility correction factor for
non-ideal behavior of a hydrocarbon gas.*
N
x
Tr
y
Pr
→ x
Zfactor
ZVOL Sets the height of the view volume in VPAR. N
x
low
x
high
% Returns x percent of y. * < P REAL
x y
→ xy /100
+ Returns the sum of the arguments.* =
z
1
z
2
→ z
1
+ z
2
– Returns the difference of the arguments.* 
z
1
z
2
→ z
1
– z
2
! Returns the factorial n ! of a positive integer argument n , or
the gamma function Γ( x +1) of a non-integer argument x. *
< P
PROBABILITY
n
→ n !
* Returns the product of the arguments.* 
z
1
z
2
→ z
1
z
2
/ Returns the quotient of the arguments: the first argument
is divided by the second argument.*
z
z
1
z
2
→ z
1
/ z
2
^ Returns the value of the level 2 object raised to the power
of the level 1 object.*
q
w z
→
w
z
Name Description Access Inputs Outputs