Pierre de Fermat

I have also found a method for drawing tangents to curved lines.

I have also found a method for finding the area of curved figures.

I have also found a method for finding the center of gravity of curved figures.

I have also found a method for finding the volume of solids of revolution.

I have also found a method for finding the length of curved lines.

I have also found a method for finding the surface area of solids of revolution.

I have also found a method for finding the curvature of curved lines.

I have also found a method for finding the evolute of curved lines.

I have also found a method for finding the involute of curved lines.

I have also found a method for finding the caustics of curved lines.

I have also found a method for finding the diacaustics of curved lines.

I have also found a method for finding the anamorphoses of curved lines.

I have also found a method for finding the catacaustics of curved lines.

I have also found a method for finding the foci of curved lines.

I have also found a method for finding the directrices of curved lines.

I have also found a method for finding the asymptotes of curved lines.

I have also found a method for finding the points of inflection of curved lines.

I have also found a method for finding the cusps of curved lines.

I have also found a method for finding the nodes of curved lines.

I have also found a method for finding the singular points of curved lines.