a =
b
=
c =
a / b =
a * b =
a + b =
a ^ 2 =
a ^ 3 =
a ^ b =
a * b * c =
a * b / c =
a / (b * c) =
a ^ 1/2 =
a ^ 1/3 =
sin(a) =
cos(a) =
tg(a) =