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+// to find the minimum time/division sensitivity
+// example 9-12 in page 278
+clc;
+//Data Given
+f=50e+6;// frequency of the waveform in hertz
+//calculation
+T=1/f;//time period in seconds
+printf("using the five times magnifier,\n");
+printf("minimum time/div setting=%d ns/div",5*(T/4)*10^9);// here one cycle occupies 4 horizontal divisions
+//result
+//using the five times magnifier,
+//minimum time/div setting=25 ns/div 
+\ No newline at end of file