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# Comments on: Understanding the Birthday Paradox

## Math lessons that click

Last Build Date: Thu, 22 Mar 2018 22:58:00 +0000

By: softturbo

Thu, 22 Mar 2018 22:58:00 +0000

This blog is yours. You are free to hold whatever standard you want.

By: kalid

Thu, 22 Mar 2018 22:29:00 +0000

Ideas for standards are your own. Thankfully I'm not beholden to them. Out of respect for you, I won't discuss the original version of your comment you edited, nor the difference in computational requirements for adding 23 3-digit numbers vs. multiplying them.

By: softturbo

Thu, 22 Mar 2018 19:34:00 +0000

The only curious speculation I might have would be whether one has ever used or tried to use a pocket calculator. Personally I have seen many of shopkeepers use a calculator to add up more than 23 non-consecutive decimal numbers without fail. And the difficulty of multiplying 23 numbers on a calculator is the same as adding them, in case you have never tried it as I have suggested. I do appreciate your effort in trying to explain this. But sometimes even with one's best efforts, it's just would not suffice. Just like I would not expect to win the 100m sprint in the Olympics even with my best efforts. The bar is a lot lower here in this case. But that still doesn't mean there's not a standard to meet.

By: kalid

Thu, 22 Mar 2018 19:14:00 +0000

Multiplying 22 3-digit numbers without error doesn't seem simple. (If you tried it, you'd see calculators lose precision at some point, so you get a rough approximation anyway.) The walkthrough of the exact calculation is already in the appendix. The very last paragraph references the wiki article. The speculations for the article's existence are curious.