When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Calculus is a branch of mathematics that explores variables and how they change by looking at ...

Microsoft Excel is a powerful spreadsheet program which you can use to graph functions, including functions that produce curves. One limitation of Excel is that it doesn't have a built in function to ...

Machines and processes are controlled using many strategies, from simple ladder logic to custom algorithms for specialized process control, but proportional-integral-derivative (PID) is the most ...