Saving equations in a calculator can be useful for many reasons. You may want to store equations in a calculator so they can be graphed. You may also want to save an equation so you can see what you ...

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 ...

The EL-9300C simplifies problem-solving by allowing solutions to be presented in many formats. The calculator features a high-contrast LCD screen and user-friendly functions. An equation editor ...

Microsoft Excel is a great Office application from Microsoft and it does not need any introduction. It helps every one of us, in many ways by making our tasks simpler. In this post we will see how to ...

If you've ever looked at the curve of a hill, the cables of a suspension bridge or the arc of a coastline and wondered, "I wonder what function would fit that line?" -- congratulations, you're a nerd.

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. David Kindness is a Certified Public Accountant (CPA) and an expert ...