Owner's Manual

808 Appendix A: Functions and Instructions
dim() MATH/Matrix/Dimensions menu
dim( list ) ⇒
⇒⇒
⇒ integer
Returns the dimension of list .
dim({0,1,2}) ¸ 3
dim( matrix ) ⇒
⇒⇒
⇒ list
Returns the dimensions of matrix as a two-
element list {rows, columns}.
dim([1,ë 1,2;ë 2,3,5]) ¸ {2 3}
dim( string ) ⇒
⇒⇒
⇒ integer
Returns the number of characters contained in
character string
string .
dim("Hello") ¸ 5
dim("Hello"&" there") ¸ 11
Disp CATALOG
Disp [ exprOrString1 ] [, exprOrString2 ] ...
Displays the current contents of the Program I/O
screen. If one or more
exprOrString is specified,
each expression or character string is displayed
on a separate line of the Program I/O screen.
An expression can include conversion operations
such as
4DD and 4Rect. You can also use the 4
operator to perform unit and number base
conversions.
If
Pretty Print = ON, expressions are displayed in
pretty print.
From the Program I/O screen, you can press
‡ to display the Home screen, or a program can
use
DispHome.
Disp "Hello" ¸ Hello
Disp cos(2.3) ¸ ë.666…
{1,2,3,4}! L1 ¸
Disp L1
¸ {1 2 3 4}
Disp 180_min 4 _hr ¸ 3.ø_hr
Note: To type an underscore ( _ ), press:
@ ¥ 
H 2 
To type 4, press 2
.
DispG CATALOG
DispG
Displays the current contents of the Graph
screen.
In function graphing mode:
Program segment:
©
:5ù cos(x)! y1(x)
:ë 10! xmin
:10! xmax
:ë 5! ymin
:5! ymax
:DispG
©
DispHome CATALOG
DispHome
Displays the current contents of the Home screen.
Program segment:
©
:Disp "The result is: ",xx
:Pause "Press Enter to quit"
:DispHome
:EndPrgm