Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, measuring for a DIY project, or just having a math-related brain teaser thrown your ...

Jaymar Cabebe covers mobile apps and Windows software for CNET. While he may be a former host of the Android Atlas Weekly podcast, he doesn't hate iOS or Mac. Jaymar has worked in online media since ...

I never would have passed trigonometry without my graphing calculator. Not only did it plot x and y coordinates perfectly, but its downloadable games provided just enough distraction to endure Miss ...

Removing brackets is to multiply the term outside the brackets by each term inside - also known as the distributive law. Use FOIL to remove a pair of brackets then simplify by collecting like terms.

Now, we know that I3 = I1 + I2, so V IN must be a nice linear function of V OUT and I1, namely: where F1 and F2 are functions of R1, R2, C1, and C2—and of frequency. We derived that equation just by ...