YES, you can do the above calculation in a few seconds, faster than it takes to reach out for the calculator. If you know the right technique.

No kidding, we’ll prove that you can do it, starting on the next page itself. If you're doubting your ability, then it’s possibly because, like most people out there, you have been conditioned to depend on the calculator and not use your own mind.

The simple, speedy mathematical techniques we present here will restore faith in your own ability.