Texas Instruments TI-84 Plus - Drawing a Tangent Line from the Home Screen or a Program

Chapter 8: Draw Instructions 193
Note: Change the fixed decimal setting on the mode screen if you want to see fewer
digits displayed for X and the equation for Y.
Drawing a Tangent Line from the Home Screen or a Program
Drawing a Tangent Line from the Home Screen or a ProgramDrawing a Tangent Line from the Home Screen or a Program
Drawing a Tangent Line from the Home Screen or a Program
Tangent( (tangent line) draws a line tangent to expression in terms of X, such as Y1 or X
2
,
at point
X=value. X can be an expression. expression is interpreted as being in Func mode.
Tangent(expression,value)