792
Appendix A: Functions and Instructions
EndLoop
See
Loop
, page 814.
EndPrgm
See
Prgm
, page 828.
EndTBar
See
ToolBar
, page 863.
EndTry
See
Try
, page 864.
EndWhile
See
While
, page 866.
entry()
CATALOG
entry()
⇒
expression
entry(
integer
)
⇒
expression
Returns a previous entry-line entry from the
Home screen history area.
integer
, if included, specifies which entry expression
in the history area. The default is 1, the most
recently evaluated entry. Valid range is from 1 to 99
and cannot be an expression.
Note
: If the last entry is still highlighted on the Home
screen, pressing
¸
is equivalent to executing
entry(1)
.
On the Home screen:
1+1/x
¸
1
x
+
1
1+1/entry(1)
¸
2
ì
1
x+1
¸
1
2
ø
(2
ø
x+1)
+
3/2
¸
5 / 3
ì
1
3
ø
(3
ø
x+2)
entry(4)
¸
1
x
+
1
exact()
MATH/Number menu
exact(
expression1
[
,
tol
]
)
⇒
expression
exact(
list1
[
,
tol
]
)
⇒
list
exact(
matrix1
[
,
tol
]
)
⇒
matrix
Uses
Exact
mode arithmetic regardless of the
Exact/Approx
mode setting to return, when
possible, the rational-number equivalent of the
argument.
tol
specifies the tolerance for the conversion; the
default is 0 (zero).
exact(.25)
¸
1/4
exact(.333333)
¸
333333
1000000
exact(.33333,.001)
1/3
exact(3.5x+y)
¸
7
ø
x
2
+
y
exact({.2,.33,4.125})
¸
{
1
à
5
33
100
33
à
8
}
Summary of Contents for Titanium TI-89
Page 9: ...Getting Started 6 TI 89 Titanium keys Ë Ì Í Ê ...
Page 34: ...Getting Started 31 2 or D 2 B u s i n e s s D B D B Press Result ...
Page 43: ...Getting Started 40 3 0 D B D D B D Press Result ...
Page 44: ...Getting Started 41 D 2 0 0 2 D B Scroll down to October and press Press Result ...
Page 58: ...Getting Started 55 Example Set split screen mode to TOP BOTTOM Press Result 3 B D ...
Page 70: ...Getting Started 67 ...
Page 175: ...Operating the Calculator 172 From the Keyboard ...
Page 456: ...Tables 453 ...
Page 527: ...Data Matrix Editor 524 ...
