sin(45)+(Exp(5)+Log( 10))/Sqr(x-y+2)

Abs(x + 3) + y ^ 3

Area = Sqr(s * (s-a) * (s-b) * (s-c))

1/( 1/x+ 1/x ^ 2+ 1/x ^ 3)

( 10 * x + Sqr(3 * y)) / x * y