Texas Instruments TI-89 Voyage 200, User Manual

Page: 868 / 1008

868 Appendix A: Functions and Instructions
sec
LLLL 1
()
MATH/Trig menu
sec
LLLL
1 (
expression1
)
⇒ ⇒ ⇒ ⇒
expression
sec
LLLL 1
(
list1
)
⇒ ⇒ ⇒ ⇒
list
Returns the angle whose secant is
expression1
or
returns a list containing the inverse secants of
each element of
list1
.
Note: The result is returned as a degree, gradian
or radian angle, according to the current angle
mode setting.
In Degree angle mode:
sec
L
1 (1)
¸
0
In Gradian angle mode:
sec
L
1 ( 2 )
¸
50
In Radian angle mode:
sec
L
1 ({1,2,5})
¸
{ 0
p
3 cos
L
1 (1/5)}
sech()
MATH/Hyperbolic menu
sech(
expression1
)
⇒
⇒ ⇒
⇒
expression
sech(
list1
)
⇒
⇒ ⇒
⇒
list
Returns the hyperbolic secant of
expression1
or
returns a list containing the hyperbolic secants of
the
list1
elements.
sech(3)
¸
1
cosh(3)
sech({1,2.3,4})
¸
{
1
cosh(1)
.198…
1
cosh(4)}
sech
LLLL
1
()
MATH/Hyperbolic menu
sech
LLLL 1
(
expression1
)
⇒
⇒ ⇒
⇒
expression
sech
LLLL 1
(
list1
)
⇒
⇒ ⇒
⇒
list
Returns the inverse hyperbolic secant of
expression1
or returns a list containing the
inverse hyperbolic secants of each element of
list1
.
In Radian angle and Rectangular complex
mode:
sech
L
1 (1)
¸
0
sech
L
1 ({1,
L
2,2.1})
¸
{0
(
2
¦
p
3 )
¦
i
1.074…
¦
i
}
Send
CATALOG
Send
list
CBL 2
é
(Calculator-Based Laboratory
é
) or
CBR
é
(Calculator-Based Ranger
é
) instruction.
Sends
list
to the link port.
Program segment:
©
:Send {1,0}
:Send {1,2,1}
©
SendCalc
CATALOG
SendCalc
var
Sends variable
var
to the link port, where another
unit linked to that port can receive the variable
value. The receiving unit must be on the Home
screen or must execute
GetCalc
from a program.
If you send from a TI - 89, TI-92 Plus, or
Voyage™ 200 to a TI
-
92, an error occurs if the
TI
-
92 executes
GetCalc
from a program. In this
case, the sending unit must use
SendChat
instead.
Program segment:
©
:a+b
!
x
:SendCalc x
©