Question

help me please:

Answer 1

how can i make animations like a pencil underlining a line and writing an equation ?

Answer 2

animations? what do you mean?

Answer 3

if you want to be really dramatically crazy and want it t look animation like or cartoonish i guess you could say, you could use a 3d program and take a pictures of your hand and a pencil,
make a mesh of it while make it look cartoonish

Answer 4

if you mean like actually write an equation and what not... you are going to need major programming skilsl

Answer 5

i meant that :