Still trying to figure out how to add a simple function to Excel. This is an old attempt at adding a function `double` that doubles it's argument. http://kalx.n

Still trying to figure out how to add a simple function to Excel. This is an old attempt at adding a function `double` that doubles it's argument. http://kalx.net/ExcelUDF.html http://kalx.net/ExcelUDF.html Seems to no longer work.