Texas Instruments TI-89 Titanium User Manual page 808

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
single statement
statements block before continuing execution.
If
Boolean expression
execution without executing the statement or block
of statements.
can be either a single statement or a sequence
block
of statements separated with the ":" character.
Boolean expression
If
block1
Else
block2
EndIf
If
Boolean expression
and then skips
block1
If
Boolean expression
but executes
and
block1
Appendix A: Functions and Instructions
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 the
or the block of
statement
evaluates to false, continues
Then
evaluates to true, executes
.
block2
evaluates to false, skips
.
block2
can be a single statement.
block2
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
©
Program segment:
©
:If x<0 Then
: Disp "x is negative"
: Else
: Disp "x is positive or zero"
:EndIf
©
block1
 
1 0 0 0
 
0 1 0 0
 
0 0 1 0
 
0 0 0 1
805