Posts by JDM Educational Staff

If you’re anything like me, you may have bad memories from when you first learned about logarithms. Or, you may dread hearing the word “logs.” Exponential functions, sure, those aren’t too...

Imaginary numbers are useful throughout mathematics, including algebra (for solving some quadratic equations) calculus, and differential equations.  So, what is a pure imaginary number? ...

The reciprocal of a number is used often in mathematics to solve algebra problems (with multiplicative inverses).  However, a reciprocal function can also describe a relationship between two...

Mr. Jackson,  a history teacher at Middletown High School, teaches two classes of College Prep United States History. Each class has 20 students. After a particularly difficult test, he presents...

A logarithm change of base is useful in many scenarios when you are working with either exponents or logarithms So, what do you need to know about a logarithm change of base?  The logarithm...

Factorials are useful throughout mathematics: they are found in binomial coefficients, combinatorics, probability distributions, power series expansions (for ex, sin(x), and cos(x)) and the gamma...