Texas Instruments TI-89 Titanium Short User Manual page 202

Some valid variations of this instruction are:
Function graphing
Parametric graphing
Polar graphing
Sequence graphing
3D graphing
Diff Equations graphing
Note: Use
go to the Y= Editor to re-enable the system Y=
functions.
4Hex
MATH/Base menu
4Hex ⇒
integer1
Converts
Binary or hexadecimal numbers always have a 0b
or 0h prefix, respectively.
Zero, not the letter O, followed by b or h.
binaryNumber
0b
hexadecimalNumber
0h
Without a prefix,
(base 10). The result is displayed in hexadecimal,
regardless of the
If you enter a decimal integer that is too large for
a signed, 32-bit binary form, a symmetric modulo
operation is used to bring the value into the
appropriate range.
identity()
MATH/Matrix menu
expression
identity(
Returns the identity matrix with a dimension of
expression
expression
If
CATALOG
Boolean expression
If
statement
If
Boolean expression
the single statement
statements
If
Boolean expression
execution without executing the statement or
block of statements.
block can be either a single statement or a
sequence of statements separated with the ":"
character.
196
Graph
Graph
Graph
Not allowed.
Graph
Not allowed.
to clear these functions, or
ClrGraph
integer
to a hexadecimal number.
integer1
A binary number can have up to
32 digits. A hexadecimal number
can have up to 8.
is treated as decimal
integer1
mode.
Base
) ⇒
matrix
.
must evaluate to a positive integer.
Boolean expression
If
block
EndIf
evaluates to true, executes
or the block of
statement
block
before continuing execution.
evaluates to false, continues
In 3D graphing mode:
,
expr x Graph (v^2 ì w^2)/4,v,w ¸
, ,
xExpr yExpr t
, q
expr
, ,
expr x y
256 4Hex ¸
0b111100001111 4Hex ¸
identity(4) ¸
Then Program segment:
©
:If x<0
:Disp "x is negative"
©
or
— —
©
:If x<0 Then
: Disp "x is negative"
: abs(x)! x
:EndIf
©
Appendix A: Functions and Instructions
0h100
0hF0F
 
1 0 0 0
 
0 1 0 0
 
0 0 1 0
 
0 0 0 1