83Plus:Basic:Graphics:Tangent(
From WikiTI
Synopsis
Token size: 1 byte
Syntax: Tangent(function, x coordinate of tangency)
Draws the tangent to a function at the specified x coordinate.
Outputs:
function is drawn on the graph screen, and the tangent line is drawn at the specified point.
Examples
To draw the tangent to x^2-2 at x=1:
ClrDraw Tangent(x^2-2,1)
To draw the tangent to a function in the Y= menu at x=4:
ClrDraw Tangent(Y1,4)
