Use SpeedTools state-of-the-art set of tools to help you speed up slow Excel calculation.
Now Available: SpeedTools Run-Time for distribution of the Functions to your users (does not facilitate creation of SpeedTools Functions).
Use FastExcel V4 Profiler to show you where the slow calculations are.
Use FastExcel V4 Manager: to help you develop, debug, manage and maintain your workbooks.

Home Page - https://www.decisionmodels.com/FastExcelV4SpeedTools.htm