SckSniper

depends on the conditions, e can be eulers constant. 

or on some calculators E5 for example means $${{\mathtt{10}}}^{{\mathtt{5}}}$$

$${\mathtt{degrees}} = {\frac{{\mathtt{rad}}{\mathtt{\,\times\,}}{\mathtt{180}}}{{\mathtt{\pi}}}}$$

so

$${\frac{{\frac{{\sqrt{{\mathtt{3}}}}}{{\mathtt{2}}}}{\mathtt{\,\times\,}}{\mathtt{180}}}{{\mathtt{\pi}}}} = {\mathtt{49.619\: \!600\: \!587\: \!961\: \!284\: \!5}}$$

about 50 degrees

could you be more specific? or do you mean $${{\mathtt{a}}}^{{\mathtt{2}}}{\mathtt{\,\small\textbf+\,}}{{\mathtt{b}}}^{{\mathtt{2}}} = {{\mathtt{c}}}^{{\mathtt{2}}}$$ in a rectangle, where a and b are the sides along de 90° corner, and c is the long side

0.3333333333333....