eGrafx

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Polynomial
Rational
Irrational
Log / Exp
Trigonometric

Rrational functions

a:

eMathtimes

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Inverse
Homographic
Potencial x⁻ⁿ
Rational $\frac{P 1}{P 2}$
Rational $\frac{P 2}{P 2}$
Rational $\frac{P 2}{P 1}$