input
checkbox
slider
g(x) = f(m x) +3
space indicate muliplication
text box
image.png
tangent line
click point + graph of function
geometry
use two points to draw line
prependicular
click point and click horrizontal line to the point
draw angle
image.png
angle BDC draw obtuse angle
angle CDB draw acute angle
root point of graph
R=ROOT[f(x)]
extremum point of graph
E = EXTREMUN[f(x)]
sequence of point
SEQUENCE[((sin(i x),cos(i x)),i,0,n-1]
logorithmic function
f(x) = ln(x)/ln(4)
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