Simple View Calculator
Simple but strong
:= for declaring varieble and functions
= for assignment Value to variebles
== equal to
!= not equal
> , < ,>=,<= 
rad : Sin , Cos , Tan , Cot , Sec , Csc , ASin , ACos , ATan , ACot , ASec , ACsc
deg : sin , cos , tan , cot , sec , csc , Asin , Acos , Atan , Acot , Asec , Acsc
hyp : Sinh , Cosh , Tanh , Coth , Sech , Csch , ASinh , ACosh , ATanh , ACoth , ASech , ACsch
and so on