Texas Instruments TI-89 사용자 설명서
![Texas Instruments](https://files.manualsbrain.com/attachments/b46f99d826b2b0e0e5f558c5fb6483942eb9216b/common/fit/150/50/c15ea36eb1fb1cce99a3b94668675bfc78ce832d8d727d9a7bb51a125510/brand_logo.gif)
Symbolic Manipulation
270
For Information about Creating a User-Defined Function
For Information about Creating a User-Defined Function
For Information about Creating a User-Defined Function
For Information about Creating a User-Defined Function
Refer to:
•
“Creating and Evaluating User-Defined Functions” in the Calculator Home Screen
module.
module.
•
“Graphing a Function Defined on the Home Screen” and “Graphing a Piecewise
Defined Function” in the Calculator Home Screen module.
Defined Function” in the Calculator Home Screen module.
•
“Overview of Entering a Function” in the Programming module.
Undefined Functions
Undefined Functions
Undefined Functions
Undefined Functions
You can use functions such as
f(x)
,
g(t)
,
r(
q
)
, etc., that have not been assigned a
definition. These “undefined” functions yield symbolic results. For example:
Single-Statement Functions
Single-Statement Functions
Single-Statement Functions
Single-Statement Functions
You can use user-defined functions consisting of a single expression. For example:
Use
DelVar
to ensure that
f(x)
and
g(x)
are not
defined.
Then find the derivative of
f(x)
g(x)
with
respect to x.
Note:
To select d from the Calc toolbar menu,
press
… 1 (or press 2 = on the keyboard).