The Wall Street Journal – – Jo Craven McGinty 
Are calculators a computational crutch that discourages children from memorizing their multiplication tables? Or are they a mathematical tool that helps them conquer complex problems? The debate over modern mathematics education may not be over, but the battle over calculators has largely been resolved—at least on paper. Calculators, experts say, can help elementary- and middle-school children develop skills to solve complex math problems. But students in lower grades seldom use the tool.(more)