HP 39gs - Manual (Page 175)

Using mathematical functions 13-23
4. Press to display
the result. Note: Use
the arrow keys to view
the entire function.
|
You could also just define
.
To find the
indefinite integral
using formal
variables For example, to find the indefinite integral of
use:
1. Enter the function.
0
S1 3
X 5
X
2. Show the result format.
3. Press to close the
show window.
4. Copy the result and
evaluate.
Thus, substituting X for S1, it can be seen that:
F1 x ( ) x x
2 ( ) 2 x ( ) cos + sin ( ) d =
3x
2
5 – x d
∫
( )
∫ − X X S , 5 3 , 1 , 0 2
3x
2
5 – x 5x – 3
x
3
3
-----
X ∂
∂
X ( )
---------------
⎝ ⎠
⎜ ⎟
⎜ ⎟
⎜ ⎟
⎛ ⎞
+ = d
∫
HP 39gs English.book Page 23 Wednesday, December 7, 2005 11:24 PM