Free WordPress Plugin: Scientific notation calculator converts numbers to scientific notation, e-notation, engineering notation, and adds, subtracts, multiplies or ...

PTC Mathcad represents the pinnacle of engineering calculation software, offering professionals an integrated environment for performing sophisticated mathematical computations while maintaining ...

Editor’s note: Also see Ken Coffman’s blog: The HP15C returns as an iPhone app. With the emergence of hand-sized computers, calculators have lost some of their former prominence, yet they continue to ...