[Editor's note: For an intro to fixed-point math, see Fixed-Point DSP and Algorithm Implementation. For a comparison of fixed- and floating-point hardware, see Fixed vs. floating point: a surprisingly ...

This article explains the basics of floating-point arithmetic, how floating-point units (FPUs) work, and how to use FPGAs for easy, low-cost floating-point processing. Inside microprocessors, numbers ...

Photoshop CC tutorial showing how to use the Vanishing Point filter to place logos and other images in perspective onto photographs. Ice Skating Rink photo: <a href=" Creative Commons License: <a ...