English mathematician and physicist; remembered for developing the calculus and for his law of gravitation and his three laws of motion (1642-1727); Newton, Isaac Newton, Sir Isaac Newton
a unit of force equal to the force that imparts an acceleration of 1 m/sec/sec to a mass of 1 kilogram; equal to 100,000 dynes; N
Microsoft Computer Dictionary
n. A personal digital assistant (PDA) developed by Apple Computer, Inc. See also PDA.