function [r, theta] = topolar(x,y)
%% Converts cartesian coordinates to polar.
r = sqrt(x^2 + y^2);
if x >= 0
theta = atan(y/x);
else
theta = atan(y/x) + pi;
end
theta = theta*(180/pi);
disp('Hypotenus')
disp(r)
disp('theta')
disp(theta)
end