Here's another example submited and solved by Mark:
Click here to post comments
Join in and write your own page! It's easy to do. How? Simply click here to return to Your Doubts and Problems.
Some Comments From Visitors:
Just want to thank and congrats you beacuase this project is really noble. Thank you very much.
Diego Aguilera, Argentina
THANKS FOR ALL THE INFORMATION THAT YOU HAVE PROVIDED. IT CHANGED MY PERCEPTION TOWARD CALCULUS, AND BELIEVE ME WHEN I SAY THAT CALCULUS HAS TURNED TO BE MY CHEAPEST UNIT. THANKS ONCE AGAIN.
Share Your Own!