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.
The City of Windsor may have a mathematics whiz in its midst and mental math is his game. Shivam Patel, 8, recently finished as the third runner up in his age category in a national mental math ...
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