Unverified50% confidenceFactExact time
The core formula of Fitts' Law is T = a + b·log₂(D/W + 1), indicating that the time required to select a target is proportional to the distance to the target and inversely proportional to the width of the target.
1
Sources
50%
Confidence
Long-term
Relevance
8/17/2026
First Seen
Sources
FileRouter：自定义Mac文件默认打开方式的效率神器
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