Texas Instruments TI-89 Titanium User Manual page 804

getDenom()
MATH/Algebra/Extract menu
expression1
getDenom(
Transforms
common denominator, and then returns its
denominator.
getDtFmt()
CATALOG
getDtFmt() ⇒
integer
Returns an integer representing the date format that
is currently set on the device.
getDtStr()
CATALOG
) ⇒
integer ]
getDtStr([
Returns a string of the current date in the current
date format. For example, a returned string of
represents the 28th day of September,
28/09/02
2002 (when the date format is set to
If you enter the optional integer that corresponds to
a date format, the string returns the current date in
the specified format.
getFold()
CATALOG
getFold() ⇒
nameString
Returns the name of the current folder as a string.
getKey()
CATALOG
getKey() ⇒
integer
Returns the key code of the key pressed. Returns 0
if no key is pressed.
The prefix keys (shift ¤, second function 2,
option ¥, alpha j, and drag ‚) are not
recognized by themselves; however, they modify
the keycodes of the key that follows them. For
example: ¥ Ù ƒ Ù ƒ 2 Ù.
For a listing of key codes, see Appendix B.
Appendix A: Functions and Instructions
) ⇒
expression
into one having a reduced
expression1
string
DD/MM/YY
getDenom((x+2)/(yì 3)) ¸ y ì 3
getDenom(2/7) ¸
getDenom(1/x+(y^2+y)/y^2) ¸
Integer values:
1 = MM/DD/YY
2 = DD/MM/YY
3 = MM.DD.YY
4 = DD.MM.YY
5 = YY.MM.DD
6 = MM-DD-YY
7 = DD-MM-YY
8 = YY-MM-DD
Optional integer values:
1 = MM/DD/YY
2 = DD/MM/YY
).
3 = MM.DD.YY
4 = DD.MM.YY
5 = YY.MM.DD
6 = MM-DD-YY
7 = DD-MM-YY
8 = YY-MM-DD
getFold() ¸
getFold()! oldfoldr ¸
oldfoldr ¸
Program listing:
:Disp
:Loop
: getKey()! key
: while key=0
: getKey()! key
: EndWhile
: Disp key
: If key = ord("a")
: Stop
:EndLoop
7
xø y
"main"
"main"
"main"
801