# Excel

## Complex Number Functions in Excel

If you do any engineering calculations that involve complex numbers, you’ll probably appreciate the complex number functions that are built into Excel. Excel has many …

## Calculating the Integral of an Equation in Excel with VBA

If the function you want to integrate is known in terms of a variable, you can perform the integration using VBA instead of the tabular …

## Scale, Offset, or Change the Sign of Data in Excel

The Paste Special feature allows you to quickly do some basic mathematical operations on your data. When you’ve copied a cell, you can add, subtract, …

## How to Fit an Equation to Data in Excel

You can use Excel to fit simple or even complex equations to data with just a few steps. Determine the Form of the Equation The …

## Complex Matrix Multiplication in Excel

In a recent post, I showed how you can multiply matrices in Excel. That post led to a great question from an EngineerExcel subscriber: Is …

## Pi in Excel

Of all the constants in Science, Engineering, and Mathematics, pi, or the ratio between a circle’s circumference and diameter is by far the most common. …

## 3 Steps to Working with Array Formulas in Excel

Array formulas in Excel are a great tool for performing time-series calculations or sensitivity studies on input variables. An array is a group of cells …

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