This applet will help you in visualizing the effects of transformations on functions. Move the sliders ... Type "^" for powers. For example type "x^2" for x-squared, or x^(1/2)" for square-root of x.

Square-root-calculating circuits find wide use in instrumentation and measurement systems for such tasks as calculating the rms (root-mean-square) value of an arbitrary waveform, for example ... to ...