Digit 0 drawn with seven-segment display strokes, like a digital clock or calculator numeral; from legacy computing.
U+1FBEFTOP LEFT JUSTIFIED LOWER RIGHT QUARTER BLACK CIRCLEU+1FBF1SEGMENTED DIGIT ONEU+1FBEEBOTTOM RIGHT JUSTIFIED UPPER LEFT QUARTER BLACK CIRCLEU+1FBF2SEGMENTED DIGIT TWOU+1FBEDBOTTOM LEFT JUSTIFIED UPPER RIGHT QUARTER BLACK CIRCLEU+1FBF3SEGMENTED DIGIT THREEU+1FBECTOP RIGHT JUSTIFIED LOWER LEFT QUARTER BLACK CIRCLEU+1FBF4SEGMENTED DIGIT FOURU+1FBEBLEFT JUSTIFIED RIGHT HALF BLACK CIRCLEU+1FBF5SEGMENTED DIGIT FIVEU+1FBEABOTTOM JUSTIFIED UPPER HALF BLACK CIRCLEU+1FBF6SEGMENTED DIGIT SIX250 characters in the Symbols for Legacy Computing Unicode block, from number 240.