On: Show HN: Test if your (US) phone number is in the ...

[dotancohen]

  100 * 0.1 = 10  // First  90% Reduction
  10  * 0.1 = 1   // Second 90% Reduction

[mckirk → dotancohen]

Not allowing a single digit to be 0 is a 10% reduction though, is it not?

[dotancohen → mckirk]

Oh, you're right! Thank you.

[mckirk → dotancohen]

No worries :)

I checked the math so many times because I was starting to suspect my mind was glitching, lol.