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420 points gnabgib | 1 comments | 15 May 25 21:57 UTC | HN request time: 0.236s | source

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dndn1 ◴[15 May 25 23:10 UTC] No.44000282[source]▶

If you need to know a leap year and it's before the year 6000, I made an interactive calculator and visualization [1].

It's >3 machine instructions (and I admire the mathematical tricks included in the post), but it does do thousands of calculations fairly quickly :)

replies(1): >>44007519 #

ctxc ◴[16 May 25 16:49 UTC] No.44007519[source]▶

Please make stuff fit into viewport width, hard to use on mobile as it stands :)

replies(1): >>44010073 #

1. dndn1 ◴[16 May 25 21:49 UTC] No.44010073[source]▶

Thanks for the prompt! I made a new gallery that's mobile friendly and I almost forgot why I need to land it - adding it to the list!

A leap year check in three instructions