Texas Instruments TI-89 Manual Book page 506

RclPic
CATALOG
RclPic picVar [, row, column]
Displays the Graph screen and adds the
picture stored in
corner pixel coordinates (
OR logic.
must be a picture data type.
picVar
Default coordinates are (0, 0).
real()
MATH/Complex menu
real(expression1)
Returns the real part of the argument.
Note: All undefined variables are treated as
real variables. See also
real(list1)
Returns the real parts of all elements.
real(matrix1)
Returns the real parts of all elements.
4Rect
MATH/Matrix/Vector ops menu
vector 4Rect
Displays
The vector must be of dimension 2 or 3 and
can be a row or a column.
Note: 4Rect
not a conversion function. You can use it
only at the end of an entry line, and it does
not update
Note: See also 4
complexValue 4Rect
Displays
a+bi. The
form. However, an re
in Degree angle mode.
Note: You must use parentheses for an (rq)
polar entry.
at the upper left-hand
picVar
,
row column
expression
.
imag()
list
matrix
in rectangular form [x, y, z].
vector
is a display-format instruction,
.
ans
.
Polar
in rectangular form
complexValue
can have any complex
complexValue
iq
entry causes an error
) using
real(2+3i) ¸
real(z) ¸
real(x+iy) ¸
real({a+iù b,3,i}) ¸ {a
real([a+iù b,3;c,i]) ¸
[3,pà4,pà6]4Rect ¸
[a,b,c] ¸ [aø cos(b)ø sin(c)
aø sin(b)ø sin(c)
In Radian angle mode:
4e^(p/3)4Rect ¸
(4p/3)4Rect ¸
In Degree angle mode:
(460)4Rect ¸
Note: To type
press 2
Ž for the
press 2
' .
Appendix A: Functions and Instructions
3
a
[
c
3ø ‡2 3ø ‡2 3ø ‡3
[
4 4 2
aø cos(c)]
4øe
2+2ø
2+2ø
from the keyboard,
4Rect
operator. To type ,
4
2
z
x
0}
3
]
0
]
p
3
øi
3
øi
3
489