 # Tag Archives: Functions and Formulas

## Cross Products with Excel and VBA

Microsoft Excel does not have the built-in worksheet functions to calculate the cross product of two vectors. Therefore, some techniques are required to do the calculation — either by setting up your own formula in a worksheet or by creating a custom VBA function. The

## Using VBA Sum and VBA Sum Range

The Sum function in Excel is one of the most widely used functions, and in fact, probably one of the first functions that an Excel user learns when they are learning to use Excel!  Simply stated, the Sum function adds up a range of cells for

## How to Use the Mod Operator in VBA

Introduction Mod stands for Modulo. It is a mathematical operator that returns the remainder, or modulus, of a number after performing division. The Mod operator is not only helpful when you want to know the remainder in division, it is also powerful when you want

## Rounding with VBA and Excel: Functions and Gotchas

VBA is often used for calculations – when you create these calculations, you can end up with a number that has multitude of decimal places.  The Round function in VBA lets you round the number to a set amount of decimal points, or to remove

## Excel Speed, IF (Formula vs VBA)

I have conducted several tests to see the fastest way to implement an If function in Excel. In these tests I have compared the native excel IF() function, with several methods of using the “if” statement in VBA. Each test basically executes the following algorithm