Well, it's a collection of 52 functions (marketed as 'transforms'), all of them either already available, (or readily written in) JavaScript etc, which might yield a bit more flexibility,
but mileage varies – not everyone wants to mess with script actions – and I wish them well.
In the context of bulk transformations over row and field data (csv and excel files etc) recent builds of Excel (beta channel only at the time of writing, I think) have introduced a new LAMBDA function, which makes it possible to define any function over Excel array types.
There are examples of Excel LAMBDA syntax on Rosetta Code,
and an overview here:
[LAMBDA: The ultimate Excel worksheet function - Microsoft Research]( LAMBDA: The ultimate Excel worksheet function - Microsoft Research )