this post was submitted on 12 Jul 2025
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Today I Learned (TIL)

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TIL about banker's rounding, where a half-integer is rounded to the closest even integer. For example, 0.5 is rounded to 0, and 1.5 is rounded to 2. This is intended to remove the bias towards the... (en.wikipedia.org)
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The original was posted on /r/todayilearned by /u/HauntingBox3638 on 2025-07-12 13:22:24+00:00.

Original Title: TIL about banker's rounding, where a half-integer is rounded to the closest even integer. For example, 0.5 is rounded to 0, and 1.5 is rounded to 2. This is intended to remove the bias towards the larger number that comes with rounding 0.5 up during approximate calculations.

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