How to plot graph online Need help plotting $0\leq t\leq 2\pi$, $z(t)=e^{(1+i)t}$ and $z(t)=e^{(-1+i)t}.$
How can I plot them online or any software that I should use to get the graph of such curves?
I am familiar with Wolfram but not able to get this.

Specify that you want a parametric plot and explicitly break it up into the real and imaginary parts like so:
parametric plot (Re(exp((-1+i)*t)), Im(exp((-1+i)*t)), t=0..2pi)

That input yields the following:

