R-Pr Math/Angle Menu; Rad Catalog/Math/Angle Menu; Rand Math/Probability Menu - Texas Instruments TITANIUM TI-89 User Manual

R4 4 4 4 Pq q q q ()
MATH/Angle menu
xExpression
R4 4 4 4 Pq q q q (
xList yList
R4 4 4 4 Pq q q q ( ,
xMatrix yMatrix
R4 4 4 4 Pq q q q ( ,
Returns the equivalent q-coordinate of the
x,y
( ) pair arguments.
Note: The result is returned as a degree, gradian
or radian angle, according to the current angle
mode setting.
R4 4 4 4 Pr()
MATH/Angle menu
xExpression
R4 4 4 4 Pr (
R4 4 4 4 Pr ( xList yList
,
R4 4 4 4 Pr ( xMatrix yMatrix
,
Returns the equivalent
x,y
( ) pair arguments.
4 4 4 4 Rad
CATALOG/MATH/Angle menu
Rad expression
4 4 4 4
Converts an expression to radian angle measure.
rand()
MATH/Probability menu
]) ⇒ ⇒ ⇒ ⇒
n
rand([
is an integer ƒ zero.
n
With no parameter, returns the next random
number between 0 and 1 in the sequence. When
an argument is positive, returns a random integer
in the interval [1,
When an argument is negative, returns a random
integer in the interval [ë
Appendix A: Functions and Instructions
) ⇒ ⇒ ⇒ ⇒
yExpression expression
,
) ⇒ ⇒ ⇒ ⇒
list
) ⇒ ⇒ ⇒ ⇒
matrix
) ⇒ ⇒ ⇒ ⇒
yExpression expression
,
) ⇒ ⇒ ⇒ ⇒
list
) ⇒ ⇒ ⇒ ⇒
matrix
-coordinate of the
r
expression
n
].
n
,ë 1].
In Degree angle mode:
R 8 P q (x,y) ¸
In Gradian angle mode:
R 8 P q (x,y) ¸
In Radian angle mode:
R 4 P q (3,2) ¸
R 4 P q ([3,-4,2],[0, pà 4,1.5]) ¸
In Radian angle mode:
R 4 Pr(3,2) ¸
R 4 Pr(x,y) ¸
R 4 Pr([3,-4,2],[0, pà 4,1.5]) ¸
In Degree angle mode:
1.5 4 Rad ¸
In Gradian angle mode:
1.5 4 Rad ¸
RandSeed 1147 ¸
(Sets the random-number)
rand() ¸
rand(6) ¸
rand( ë 100) ¸
R
.02618
.023562 R
Done
.158
...
5
ë 49
861