840 Appendix A: Functions and Instructions
sec() MATH/Trig menu
sec(
expression1
) ⇒
expression
sec(
list1
) ⇒
list
Returns the secant of
expression1
or returns a list
containing the secants of all elements in
list1
.
Note: The argument is interpreted as either a
degree or radian angle, according to the current
angle mode.
In Degree angle mode:
sec(45) ¸
(2)
sec({1,2.3,4}) ¸
1
cos(1)
1.000…
1
cos(4)
sec
L1
() MATH/Trig menu
sec
L1
(
expression1
) ⇒
expression
sec
L1
(
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 interpreted as either a degree or
radian angle, according to the current angle mode.
In Degree angle mode:
sec
L1
(1) ¸ 0
In Radian angle mode:
sec
L1
({1,2,5}) ¸
0
p
3
cos
L1
(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
L1
() MATH/Hyperbolic menu
sech
L1
(
expression1
) ⇒
expression
sech
L1
(
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
L1
(1) ¸ 0
sech
L1
({1,L2,2.1}) ¸
0
(
2
¦ p
3
)
¦
i
1.074… ¦
i
Send CATALOG
Send
list
CBL 2
é
/CBL
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
©
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