Appendix a: function and instruction reference – Texas Instruments TI-73 EXPLORER User Manual
Page 292
286
Appendix A: Function and Instruction Reference
73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed:
05/19/99 9:03 AM Page 286 of 36
CoordOff
CoordOn
- g
WINDOW
format settings; turns off or on cursor
coordinates so that they are not displayed at the bottom
of the graph.
cos(
value
)
- u
T R I G
Returns the cosine of a real number, expression, or
each element of a list. Results are determined by
Angle mode setting (
Degree
or
Radian
).
In Degree mode:
cos(45) b
.7071067812
cos ({0,60,90}) b
{1 .5 0}
In Radian mode:
cos(p/2) b
0
cos ({0,p/2,p}) b
{1 0
L
1}
cos
L
1
(
value
)
- u
T R I G
Returns the arccosine of a real number, expression,
or each element of a list. M1value 1. Results are
determined by Angle mode setting (
Degree
or
Radian
).
In Degree mode:
cos
L
(1) b
0
cos
L
({1,0}) b
{0 90}
In Radian mode:
cos
L
(.5) b
1.047197551
cos
L
({0,.5} )b
{1.570796327 1. ...}
Degree
.
Selects the
Degree
Angle mode setting. Interprets
angles as degrees.
In Degree mode:
sin(90) b
1
sin(pà2) b
.0274121336
DelVar
variable
8
C T L
or
- |
Deletes the contents of variable from memory. You
cannot delete a program or a system variable.
PROGRAM:DELVAR
:{1,2}ÜL
1
:Disp L
1
:Pause
:DelVar L
1
:Disp L
1
:Pause
ERROR 14: UNDEFINED
DependAsk
- f
Selects the
Depend: Ask
TABLE SETUP
format setting.
The user must highlight a dependent variable (Y)
space with the cursor, and then press b to view
the value.