Years ago, no math education was complete without understanding how to compute a square root. Today, you are probably just reaching for a calculator, or if you are writing a program, you’ll probably ...

Amy Fontinelle is a freelance writer, researcher and editor who brings a journalistic approach to personal finance content. Since 2004, she has worked with lenders, real estate agents, consultants, ...

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A computer made from strands of DNA in a test tube can calculate the square root of numbers up to 900. Chunlei Guo at the University of Rochester in New York state and colleagues developed a computer ...