Here’s how the Rule of 72 works: Divide 72 by your expected annual interest rate (as a percentage, not a decimal). The answer is roughly the number of years it will take for your money to double. For ...

The GATE exam provides an onscreen scientific calculator. Candidates must use the mouse to operate the calculator; keyboard input is disabled. Calculator supports basic arithmetic, trigonometric, ...

THE first portion of this book treats of the way to use logarithms so as to apply no more figures than necessary; the author pointing out that probably one half of the time expended in computations is ...