Tag Archives: itertools

Pandigital sums and Python permutations and combinations

The New Scientist brain twister from last weeks edition has several problems involving pandigital sums, which are additions that use each of the digits from 0 to 9 exactly once, and with no number within the sum that starts with … Continue reading

Posted in Arrays, Computing - general, Excel, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs, VBA | Tagged , , , , , , , | Leave a comment

VBA vs Power Query vs Python

A recent post at Chandoo’s Excel Forum asked for a formula to extract all pairs of digits from a number with 4 digits.  This was soon extended to dealing with longer numbers, and the examples looked at here will work with … Continue reading

Posted in Arrays, Excel, Link to Python, UDFs, VBA, xlwings | Tagged , , , , , , , | Leave a comment