Instring()Math/String Menu; Int And Intdiv Catalog; Ipart Math/Number Menu; Isarchiv And Isclkon Catalog - Texas Instruments TITANIUM TI-89 User Manual

inString()
MATH/String menu
srcString
inString(
Returns the character position in string
which the first occurrence of string
begins.
, if included, specifies the character position
start
within
srcString
= 1 (the first character of
If srcString
the length of
int()
CATALOG
) ⇒ ⇒ ⇒ ⇒
expression
int(
) ⇒ ⇒ ⇒ ⇒
list1
int(
) ⇒ ⇒ ⇒ ⇒
matrix1
int(
Returns the greatest integer that is less than or
equal to the argument. This function is identical
to
floor()
The argument can be a real or a complex number.
For a list or matrix, returns the greatest integer of
each of the elements.
intDiv()
CATALOG
number1
intDiv(
list1 list2
intDiv( ,
matrix1
intDiv(
Returns the signed integer part of argument 1
divided by argument 2.
For lists and matrices returns the signed integer
part of argument 1 divided by argument 2 for
each element pair.
‰ ‰ ‰ ‰ ()
integrate
See
iPart()
MATH/Number menu
) ⇒ ⇒ ⇒ ⇒
number
iPart(
) ⇒ ⇒ ⇒ ⇒
list1
iPart(
) ⇒ ⇒ ⇒ ⇒
matrix1
iPart(
Returns the integer part of the argument.
For lists and matrices, returns the integer part of
each element.
The argument can be a real or a complex number.
isArchiv()
CATALOG
isArchiv(var_name) ⇒ ⇒ ⇒ ⇒
Determines if
Returns
if
false
isClkOn()
CATALOG
isClkOn() ⇒ ⇒ ⇒ ⇒
true,false
Determines if the clock is
if the clock is
true
.
OFF
832
]) ⇒ ⇒ ⇒ ⇒
subString start
, [,
where the search begins. Default
srcString
does not contain subString
srcString , returns zero.
integer
list
matrix
.
) ⇒ ⇒ ⇒ ⇒
number2 integer
,
) ⇒ ⇒ ⇒ ⇒
list
) ⇒ ⇒ ⇒ ⇒
matrix2 matrix
,
, page 907.
integer
list
matrix
true,false
is archived or not.
var_name
if is archived. Returns
var_name
true
is not archived.
var_name
or
ON OFF
. Returns
ON false
inString("Hello there","the")
integer
¸
at
srcString
subString
"ABCEFG"! s1:If inString(s1,
"D")=0:Disp "D not found." ¸
).
or start is >
int(ë 2.5) ¸
int([-1.234,0,0.37]) ¸
intDiv(ë 7,2) ¸
intDiv(4,5) ¸
intDiv({12,ë 14,ë 16},{5,4,ë 3}) ¸
iPart(ë 1.234) ¸
iPart({3/2,ë 2.3,7.003}) ¸
isArchiv(PROG1) ¸
. Returns
if the clock is
Appendix A: Functions and Instructions
7
D not found.
ë 3.
[-2. 0 0.]
ë 3
0
{2 ë 3 5}
ë 1.
{1 ë 2. 7.}
True