The number 𝑖 is defined as the square root of -1. Since 𝑖 doesn't exist anywhere on the number line, if we want to represent it, we need to create a separate axis for it, known as the imaginary axis ...

Our editors independently select the products we recommend. We may earn a commission on items bought through our links. Whether you’re a student, have a budding mathematician in your life or work in a ...

Graphs of exponential functions and logarithmic functions provide a visual insight into their properties, such as growth, decay, and the inverse relationship between them. Graphs of exponential ...

If you or your kids are preparing for an advanced math or science course, you’re going to need a graphing calculator. These handy machines can process complex calculations (and simple ones), including ...