Change the values to change the graph: Type - 0 = Sine 1 = Cosine 2 = Tangent Period - The length before a repeat. (Horizontal Size) Amplitude - The length between the baseline and the crest or trough. (Vertical Size) Horizontal Shift - The offset horizontally (Tip: a positive shift offsets to the left.) Vertical Shift - The offset vertically. Press the button on the top right for more exact options.