/learn/learning-center/b/blog/posts/how-to-build-and-work-with-logic-gates-using-ms-excel-2Maybe someone will like this for its introduction to Excel spreadsheet formulas. I love Conditional Formatting. Its like the toy inside the toy. FYI: I checked out the SPDT Switch I attached previously and somehow it lost all the formulas. I wil...en-USTelligent Community 12