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14-20 Computer Algebra System (CAS)
Example
Given:
calculate a primitive of f.
Type:
Or, if you have stored f(x) in F, that is, if you have already
typed:
then type:
INTVX(F)
Or, if you have used DEF to define f(x), that is, if you have
already typed:
then type:
INTVX(F(X))
The result in all cases is equivalent to:
You will obtain absolute values only in Rigorous mode.
(See “CAS modes” on page 14-5 for instructions on
setting and changing modes.)
Example
Calculate:
Typing:
f
x()
x
x
2
1–
--------------
LN
x 1+
x 1–
------------
⎝⎠
⎛⎞
+=
N
TVX
X
X
2
1+
---------------
LN
X 1+
X 1–
-------------
⎝⎠
⎛⎞
+
⎝
⎠
⎛
⎞
TORE
X
X
2
1–
---------------
LN
X 1+
X 1–
-------------
⎝⎠
⎛⎞
F,+
⎝
⎠
⎛
⎞
D
EF(F(X)
X
X
2
1–
---------------
LN
X 1+
X 1–
-------------
⎝⎠
⎛⎞
⎠
⎞
+=
X
LN
X 1+
X 1–
-------------
⎝⎠
⎛⎞
3
2
---
LN X 1–()
3
2
---
LN X 1+(⋅+⋅+⋅
2
x
6
2+ x
4
x
2
+⋅
-----------------------------------
xd
∫
hp40g+.book Page 20 Friday, December 9, 2005 1:03 AM