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14-58 Computer Algebra System (CAS)
PROPFRAC PROPFRAC rewrites a rational fraction so as to bring out
its whole number part.
PROPFRAC(A(X)/ B(X)) writes the rational fraction A(X)/
B(X) in the form:
where R”(X) = 0, or 0 ≤ deg (R(X) < deg (B(X).
Example
Typing:
gives:
PTAYL PTAYL rewrites a polynomial P(X) in order of its powers of
X – a.
Example
Typing:
PTAYL(X
2
+ 2·X + 1, 2)
produces the polynomial Q(X), namely:
Note that P(X) = Q(X–2).
QUOT QUOT returns the quotient of two polynomials, A(X) and
B(X), divided in decreasing order by exponent.
Example
Typing:
QUOT(X
2
+ 2·X + 1, X)
gives:
Q
X()
RX()
BX()
------------
+
ROPFRAC
5X 3+()X 1–()⋅
X 2+
-------------------------------------------
⎝
⎠
⎛
⎞
5x 12–
21
x 2+
------------
+
x
2
6x 9++
x 2+
hp40g+.book Page 58 Friday, December 9, 2005 1:03 AM