Ever wanted to add User Defined Functions and commands in Microsoft Excel, but found the process too complex and cumbersome? Well, today’s discount software promotion is a blow for freedom – it’s ESharper!

ESharper is an add-in that lets you create lightweight User Defined Functions and commands in Microsoft Excel using C#. With ESharper, you’ll be able to change your C# code, click a button in the ESharper functions custom task pane, and…boom! The updated functions are immediately available in Excel, with the active sheet automatically recalculated!

There’s no limit to the number of UDF functions you can create in Excel, with global functions available for use with any workbook on your computer, and workbook functions stored in the individual workbook files. C# 4.0 features are available when .NET 4 is installed, and C# 5.0 features are available when .NET 4.5 is installed.