How to draw figures in computers...specify any tools..???

Answer 1

There's a drawing program in OpenOffice.org. Visit

http://www.openoffice.org/

Other links that may be worth visiting are

http://www.askoh.com/freecad/index.html

and

http://tinycad.sourceforge.net/ (for circuits)

but I haven't actually used the latter two.

Answer 2

there is a wonderful little program called..... dun da da!!! PAINT!

lol j/k. There's a bunch.. like paint... or if your looking for 3d modelling, try Blender. Depends on what you want