Texas Instruments TI-89 Manual Book page 475

InputStr
CATALOG
InputStr [promptString,] var
Pauses the program, displays
the Program I/O screen, waits for you to
enter a response, and stores your response as
a string in variable
If you omit
prompt.
Note: The difference between
InputStr
result as a string so that " " are not required.
inString()
MATH/String menu
inString(srcString, subString[, start])
Returns the character position in string
srcString
string
subString
, if included, specifies the character
start
position within
begins. Default = 1 (the first character of
srcString
If
srcString
is > the length of
int()
CATALOG
int(expression)
int(list1)
list
int(matrix1)
Returns the greatest integer that is less than
or equal to the argument. This function is
identical to
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
intDiv(number1, number2)
intDiv(list1, list2)
intDiv(matrix1, matrix2)
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 , page 532.
458 Appendix A: Functions and Instructions
promptString
.
var
, "?" is displayed as a
promptString
Input
is that always stores the
InputStr
at which the first occurrence of
begins.
where the search
srcString
).
does not contain
subString
, returns zero.
srcString
integer
matrix
.
floor()
integer
list
matrix
Program segment:
on ©
:InputStr "Enter Your Name",str1
©
and
inString("Hello there","the")
integer
¸
"ABCEFG"! s1:If inString(s1,
"D")=0:Disp "D not found." ¸
or
start
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})
¸
7
D not found.
ë 3.
[-2. 0 0.]
ë 3
0
{2 ë 3 5}