News of a subtle quadratic equation breakthrough has brought algebra forward from the very back of many people’s minds, and algebra is always part of the “when will I ever use this?” rubric people use ...

TeX is a typesetting standard that, among other things, allows you to typeset complex math formulas. One flavor of Tex is LaTeX, for which LaTeXiT serves as a front-end for on Mac OS X. Using LaTeXiT, ...

A plumber charges £40 for a call out, and an extra £18 for every hour. How long did a job that cost £130 take? The formula for this plumber's charge is: \(T = £60 + £20 \times h\) where \(T\) is the ...

Substitution means putting numbers in place of letters to calculate the value of an expression. The bracket has been worked out first. \(2 + (-8)^2 = 2 + 64\). \(-8^2\) means \(-8 \times -8\), which ...

Math formulas can be confusing but the most recent research demonstrates that how your kids study, not how much they study, is what matters. Kids' brains need to connect, retrieve and apply ...