G–17 – HP 33s User Manual
Page 369
Operation
Index
G–17
Name
Keys and Description
Page
¼
TAN
U
Tangent. Returns tan x. 4–3
1
TANH
{ U
Hyperbolic
tangent.
Returns tanh x.
4–6 1
VIEW variable
|
variable
Displays the labeled contents of
variable without recalling the
value to the stack.
3–3
12–13
X
Evaluates the displayed equation.
6–12
XEQ label
X
label
Executes the program identified
by label.
13–2
x
2
!
Square of x. 4–2
1
x
3
{ $
Cube of x. 4–2
1
x
#
Square root of x. 4–2
1
3
x
{ @
Cube root of x.
4–2 1
X
y
The x
th
root of y. 4–2
1
x
|
{
º
}
Returns the mean of x values:
Σ x
i
÷ n.
11–4 1
xˆ
|
{
º
ˆ
}
Given a y–value in the X–register,
returns the x–estimate based on
the regression line:
xˆ
= (y – b)
÷
m.
11–10 1
x!
{
Factorial (or gamma).
Returns (x)(x – 1) ... (2)(1), or
Γ (x
+ 1).
4–14 1
XROOT
The argument
1
root of
argument
2
.
6–15 2