Learn how accounting spreadsheets work with real examples of journals plus when to switch to accounting software.

This video explains how the dollar sign is used in Excel formulas to control whether cell references stay fixed or change ...

Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...

Abstract: In a paper by Willems et al., it was shown that persistently exciting data can be used to represent the input-output behavior of a linear system. Based on this fundamental result, we derive ...