Arithmetic calculator

Command	Calculation
abs	Absolute Value Calculator
l	get the number of the values
max	Maximum of numbers
min	Minimum of numbers
a	Average Calculator
gcd	GCD / Polynomial GCD Calculator
lcm	LCM / Polynomial LCM Calculator
ceil	Ceil
floor	Floor
frac	Fraction
p2	Get the square number
p3	Get the cube number
r2	Get the root number
pe	Expand Polynomials
pf	Factor Polynomials