`Exp`¶

The exponential function — Exp[x] == E^x.

$ wo 'Exp[0]'
1

$ wo 'N[Exp[1]]'
2.718281828459045

Integer and half-integer multiples of Pi I evaluate via Euler's formula, regardless of the factor order.

$ wo 'Exp[2 Pi I]'
1

$ wo 'Exp[3 Pi I/2]'
-I

Exp¶