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Appendix A: Functions and Instructions 825
getDenom() MATH/Algebra/Extract menu
getDenom(
expression1
) ⇒
⇒⇒
⇒
expression
Transforms
expression1
into one having a reduced
common denominator, and then returns its
denominator.
getDenom((x+2)/(yì 3)) ¸ y ì 3
getDenom(2/7)
¸ 7
getDenom(1/x+(y^2+y)/y^2)
¸
xøy
getDtFmt() CATALOG
getDtFmt() ⇒
⇒⇒
⇒
integer
Returns an integer representing the date format
that is currently set on the device.
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
getDtStr() CATALOG
getDtStr([
integer
]) ⇒
⇒⇒
⇒
string
Returns a string of the current date in the current
date format. For example, a returned string of
28/09/02
represents the 28th day of September,
2002 (when the date format is set to
DD/MM/YY).
If you enter the optional integer that corresponds
to a date format, the string returns the current
date in the specified format.
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() CATALOG
getFold() ⇒
⇒⇒
⇒
nameString
Returns the name of the current folder as a string.
getFold() ¸ "main"
getFold()! oldfoldr
¸ "main"
oldfoldr
¸ "main"
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 2Ù.
For a listing of key codes, see Appendix B.
Program listing:
:Disp
:Loop
: getKey()!key
: while key=0
: getKey()!key
: EndWhile
: Disp key
: If key = ord("a")
: Stop
:EndLoop