Symbolic Manipulation
260
•
Create an equivalent single-statement user-defined function.
If You Get an Out-of-Memory Error
The TI-89 Titanium stores intermediate results in memory and then deletes them when
the calculation is complete. Depending on the complexity of the calculation, the
handheld may run out of memory before a result can be calculated.
Freeing Up Memory
•
Delete unneeded variables and/or Flash applications, particularly large-sized ones.
-
Use
2
°
as described in
Memory and Variable Management
to view
and delete variables and/or Flash applications.
•
On the Home screen:
Use the TI-89 Titanium’s built-in
when
function.
Then integrate
y1(x)
with respect to
x
.
Note:
To select
‰
from the Calc toolbar
menu, press
…
2
(or press
2 <
on the
keyboard).
Define
y1(x)=when(x<0,
L
x, 5cos(x))
Press
8 ¸
for a floating-point
result.
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 ...
