Learn how to calculate and plot mathematical functions using a spreadsheet. This tutorial shows step-by-step how to set up formulas, visualize data, and create clear graphs for math and science ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Amy is an ACA and the CEO and founder of OnPoint ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. David Kindness is a Certified Public Accountant (CPA) and an expert in the ...

Now that you've chosen a segment (or segments) you're ready to position your product or service in each segment. You'll need a positioning statement for each targeted segment. But what does ...

Inventory is one of the most important parts of running a business—and one of the most challenging to manage. Overstocking ...

For plane equation ax + by + cz + d = 0, the closest point to the origin is -d * n̂, not +d * n̂. Example: A plane at z = 5 is (0, 0, 1, -5). The position should be ...

What was the aim of your project? The objective of this project is to create a resource library for engineering students. The library will include calculation tutorials to support students completing ...