This reminds me of the only Unicode character (as of 10.0) which numeral value is negative: U+0F33 TIBETAN DIGIT HALF ZERO has a value of -1/2. Andrew West has

This reminds me of the only Unicode character (as of 10.0) which numeral value is negative: U+0F33 TIBETAN DIGIT HALF ZERO has a value of -1/2. Andrew West has written an interesting article [1] about this and other "half" Tibetan numerals. [1] https://babelstone.blogspot.com/2007/04/numbers-that-dont-add-up-tibetan-half.html https://babelstone.blogspot.com/2007/04/numbers-that-dont-ad...