clc
prompt = 'Convert Degree to Radients or Radient to Degree?';
option = input(prompt, 's')
switch option
case 'DR'
angleD=input('Enter angle in degrees');
if ~isempty(angleD)
rad=degrees * pi / 180
x=fprintf('The angle is equal to %f radients',rad);
disp(x)
case 'RD'
angleR=input('Enter angle in radients');
if ~isempty(angleR)
deg=radians * 180 / pi
y=fprintf('The angle is %f degrees',deg);
otherwise
disp('invalid option')
end