Dms Math/Angle Menu; Dotp Math/Matrix/Vector Ops Menu; Drawfunc Catalog; Drawinv Catalog - Texas Instruments TITANIUM TI-89 User Manual

4 4 4 4 DMS
MATH/Angle menu
expression
4 4 4 4 DMS
list
4 4 4 4 DMS
matrix
4 4 4 4 DMS
Interprets the argument as an angle and displays
the equivalent
See ¡, ', " on page 910 for DMS (degree, minutes,
seconds) format.
Note:
4 4 4 4 DMS
when used in radian mode. If the input is
followed by a degree symbol ( ¡ ), no conversion
will occur. You can use
an entry line.
dotP()
MATH/Matrix/Vector ops menu
list1 list2
dotP( ,
Returns the "dot" product of two lists.
vector1 vector2
dotP( ,
Returns the "dot" product of two vectors.
Both must be row vectors, or both must be
column vectors.
DrawFunc
CATALOG
expression
DrawFunc
Draws
expression
independent variable.
Note: Regraphing erases all drawn items.
DrawInv
CATALOG
expression
DrawInv
Draws the inverse of
values on the y axis and
is the independent variable.
x
Note: Regraphing erases all drawn items.
812
¡
(
DDDDDD MM
DMS
will convert from radians to degrees
4 4 4 4 only at the end of
DMS
) ⇒ ⇒ ⇒ ⇒
expression
) ⇒ ⇒ ⇒ ⇒
expression
as a function, using
by plotting
expression
values on the x axis.
y
In Degree angle mode:
45.371 4DMS ¸
{45.371,60} 4DMS ¸
¢ £) number.
SS.ss
dotP({a,b,c},{d,e,f}) ¸
dotP({1,2},{5,6}) ¸
dotP([a,b,c],[d,e,f]) ¸
dotP([1,2,3],[4,5,6]) ¸
In function graphing mode and
window:
as the
x
DrawFunc 1.25xù cos(x) ¸
In function graphing mode and
window:
x
DrawInv 1.25xù cos(x) ¸
Appendix A: Functions and Instructions
45ó 22'15.6"
{45ó 22'15.6" 60ó }
aø d + bø e + cø f
17
aø d + bø e + cø f
32
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