number of oscillations = 6.75
total time = number of divisions * time per division = 8 * 0.0005 = 0.004 s
frequency = number of oscillations / total time = 6.75 / 0.004 = 1688 Hz

y(x) = 4.2*sin(2*pi*(6.75(x--50)/100+0.5))
number of oscillations =
number of divisions =
time per division = unit for time per division =
left phase =

grid on grid off
x-axis variable = x-axis unit = x-axis min = x-axis max =
y-axis variable = y-axis unit = y-axis min = y-axis max =
graph width in pixels = graph height in pixels =