This situation is all too common: you need to consolidate data from multiple Excel sheets for data analysis or reporting purposes. Copying and pasting the data can work, but it's an error-prone ...

Functions of two variables can be visualized in many ways: heat maps in 2D, contour curves in 2D, wireframes in 3D, surfaces in 3D. We begin by defining a function of two variables, building an array ...

There's more to Excel's Subtotal feature than you might realize. You can add multiple subtotaling functions to the same row, and you can add multiple rows. You probably know that Excel’s Subtotal ...

Do you know how to set Context variables in Power Apps? I thought, I did as well. But I had forgotten that there are two ways to set context variables. In this post further details. Power Apps has a ...