Wednesday, October 8, 2014

DT #639: Maths

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.


  1. Correct Answer:-
    1. 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.


    Random Posts...!!!