Calculators are awesome, but they’re not always handy. More to the point, no one wants to be seen reaching for the calculator on their mobile phone when it’s time to figure out a 15 percent gratuity.

Frustrated math students may have a good excuse — some of the teaching methods meant to make math more relevant may in fact be making it harder to understand, U.S. researchers said on Thursday.

You may draw examples from Miguel Secillano, Terence Tao, or even from Shakuntala Devi, all you want – but if getting your kid to sit with their math homework is nothing short of a challenge for you, ...