^

not    - (unary)

*      /

+      -

..

<      >      <=     >=     ~=     ==

and

or

a+i < b/2+1          <-->       (a+i) < ((b/2)+1)

5+x^2*8              <-->       5+((x^2)*8)

a < y and y <= z     <-->       (a < y) and (y <= z)

-x^2                 <-->       -(x^2)

x^y^z                <-->       x^(y^z)