Open scope and paste this script into the
command window.
Then press <Ctrl + R> to plot a tangent wave, the select
the menu calculator/trig/acos
set units = rad
pi =4*atan(1)
numpoints = 1000
time = (vector(numpoints)/(numpoints-1)*1m)
newplot sineplot time
setplot sineplot
y = tan(2*pi*time*1k)
plot y
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