Lesley @liupinn.bsky.social · May 25 I wonder how they decided on -0 and +0 as floor options. Also, intrigued by the Braille for - and +. #NoticeWonder
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👀 Are 0+ and 0- half floors? Like really 0.5 and -0.5?
Lesley @liupinn.bsky.social · May 25