### Possible Answer

More details available in Graphmatica Help / Graphing Equations / Operator Table. Normal math. Graphmatica . Multiply. 3·5. 3*5. Divide. x / 4. Powers. x 2. x^3. Square Roots. ... Use Calculus/Draw Tangent Line to find the slope of a curve at a point. Click on Draw Tangent Line, then click on a ... - read more

DRAWING TANGENT LINES. At times you may be interested in knowing the slope of a curve at a given point. Graphmatica will provide this information both numerically and graphically about any curve on the screen with just a few clicks of the mouse. - read more

Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm. You can also submit an answer or search documents about how to draw a tangent on graphmatica.