1. What does this manuscript depict the first usage of?
2. X is Latin for "link" or "chain" and is roughly indicative for some of the uses of the symbol. X is a symbol widely used in mathematical operations in conjunction with other symbols, although by itself it is quite obscure. Some of the places where X is used is representation of fractions, square root operations, grouping of expressions etc. Identify X.
2. implies sign =>
ReplyDelete1. multiplication symbol
ReplyDelete2. Viniculum?
ReplyDeleteCorrect Answer:-
ReplyDelete1. The page is from a book by Johannes Widmann and depicts the first usage of plus (+) and minus (-) signs.
2. X= Vinculum
The horizontal straight line in a square root symbol and the horizontal line between the numerator and denominator in fractions is a vinculum.