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+clear
+//
+
+//Initialisation
+V=50 //Voltage
+I=5 //Current in Ampere r.m.s
+phase=30 //in degrees
+
+//Calculation
+S=V*I //apparent power
+pf=cos(phase*%pi/180) //power factor
+apf=S*pf //active power
+
+//Result
+printf("\n (a) Apparent power, S = %d VA",S)
+
+printf("\n (b) Power Factor = %.3f",pf)
+
+printf("\n (c) Active Power, P = %.1f",apf)
+