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# A tale of two sets of numbers
- URL: https://www.boscutti.com/tale-two-sets-of-numbers/
- Published: 2019-12-13T13:00:00.000Z
- Updated: 2023-07-04T10:14:06.000Z
- Author: Stefano Boscutti
- Tags: Journal

It’s easy to take things for granted.

Take the numeric keyboards you use without a second thought every day.

Why is that on a phone keypad the numbers ascend in four rows from left to right 1 2 3 4 5 6 7 8 9 0 while on a calculator keypad they descend in four rows from right to left 9 8 7 6 5 4 3 2 1 0?

Obviously someone didn’t get the memo.