10 Tips to Improve Your Mental Math Ability
Calculators are awesome , but they ’re not always handy . More to the point , no one wants to be seen reaching for the computer on their mobile speech sound when it ’s time to figure out a 15 pct baksheesh . Here are ten tip to help oneself you crunch numbers in your head . genial maths is n’t as hard as it might fathom , and you may be surprised at how easy it is to make seemingly impossible calculations using nothing but your beautiful brain ....