After duplex numbers, let us learn multiplication by triplex numbers. As the name suggests, numbers like 111, 222, 333 are triplex numbers. The method is simila ...

In this planar world, “complex numbers” represent arrows that you can slide around with addition and subtraction or turn and stretch with multiplication and division.

FAST FIGURES Scientists have reported a quicker way to multiply extremely large numbers — calculations vastly more complex than this one. graja/Shutterstock ...