I use the `ABS()` function. It will return zero on anything non-numeric. The only caveat is zero. Check like: `iif(abs(field) > 0 or field = 0,...,...)`
I use the `ABS()` function. It will return zero on anything non-numeric. The only caveat is zero. Check like: `iif(abs(field) > 0 or field = 0,...,...)`