Texas Instruments TI-89 Titanium User Manual page 76

Finding the Derivative of Functions
Steps and keystrokes
Find the derivative of (xNy)
respect to x.
This example illustrates using the calculus
differentiation function and how the function is
displayed in "pretty print" in the history area.
Press 2 = c X | Y d Z 3 e c X « Y
d Z 2 b X d ¸
Finding the Integral of Functions
Steps and keystrokes
Find the integral of
This example illustrates using the calculus
integration function.
@ 2 < X p 2 W X d b X d ¸
Symbolic Manipulation
Solve the system of equations 2x N 3y = 4 and Lx + 7y = L12. Solve the first equation so
that x is expressed in terms of y. Substitute the expression for x into the second
Previews
3 2
/(x+y) with
with respect to x.
x sin(x)
...
Display
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