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+clc
+clear
+
+//input
+p=6;//number of poles
+n=3;//number of phases
+f=50;//frequency in hertz
+s=0.03;//slip in per units
+
+//calculations
+w=(2*%pi*f*60)/(n*2*%pi);//synchronous speed in rev/min
+ws=s*w;//slip speed in rev/min
+wr=w-ws;//rotor speed in rev/min
+fs=(ws*n)/60;//frequency of rotor currents in amperes
+
+//output
+mprintf('the rotor speed will be %3.0f rev/min and the frequency of rotor currents will be%3.1f Hz',wr,fs)