Learn how to solve exponential equations in base e. An exponential equation is an equation in which a variable occurs as an exponent. e is a mathematical constant approximately equal to 2.71828. e^x ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. If Christmas is (alas) a time for a materialist blowout, January is often a time for rueful reflection. Should ...

Learn about compound interest. We will look at how to determine the final value, initial value, interest rate and years needed. We will investigate problems compounded continuously, daily, weekly, ...