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886 Appendix A: Functions and Instructions
Table CATALOG
Table
expression1
[,
expression2
] [,
var1
]
Builds a table of the specified expressions or
functions.
The expressions in the table can also be graphed.
Expressions entered using the
Table or Graph
commands are assigned increasing function
numbers starting with 1. The expressions can be
modified or individually deleted using the edit
functions available when the table is displayed by
pressing
† Header. The currently selected
functions in the Y= Editor are temporarily
ignored.
To clear the functions created by
Table or
Graph, execute the ClrGraph command or
display the Y= Editor.
If the
var
parameter is omitted, the current graph-
mode independent variable is assumed. Some
valid variations of this instruction are:
Function graphing:
Table
expr
,
x
Parametric graphing:
Table
xExpr
,
yExpr
,
t
Polar graphing:
Table
expr
, q
Note: The
Table command is not valid for 3D,
sequence, or diff equations graphing. As an
alternative, you may want to use
BldData.
In function graphing mode.
Table 1.25xù cos(x) ¸
Table cos(time),time
¸
tan() 2Y key
tan(
expression1
) ⇒
⇒⇒
⇒
expression
tan(
list1
) ⇒
⇒⇒
⇒
list
tan(
expression1
) returns the tangent of the
argument as an expression.
tan(
list1
) returns a list of the tangents of all
elements in
list1
.
Note: The argument is interpreted as a degree,
gradian or radian angle, according to the current
angle mode. You can use ó,
G
orôto override
the angle mode setting temporarily.
In Degree angle mode:
tan((p/4)ô ) ¸ 1
tan(45)
¸ 1
tan({0,60,90})
¸
{0
‡3 undef}
In Gradian angle mode:
tan((p/4)ô ) ¸
π
π
)
4
(tan•200
tan(50)
¸ 1
tan({0,50,100})
¸
{0 1 undef}
In Radian angle mode:
tan(p/4) ¸ 1
tan(45
¡) ¸ 1
tan({
p,p/3,-p,p/4}) ¸
{0 ‡3 0 1}