Excel Bycol Function
Note: BYCOL is a beta function available only through the Insiders channel of Excel 365. The BYCOL function takes two arguments: array and lambda. Array is the array or range to process. Lambda is the LAMBDA function that should be run on each column in array. The lambda function must return a single result for each column, or BYCOL will return a #CALC! error. Examples To sum each column in a range, you can use the BYCOL function like this: The BYCOL function delivers the contents of range one column at a time to the LAMBDA function, which uses the SUM function to calculate a total for each column....