Some of the html code and Excel functions are listed here. The html math functions (used here) include these & others: Math.ceil() Round up. Math.floor( ) Round down. Math.round( ) Round to the nearest integer. Excel Formulas Include These & Others: =FLOOR.MATH(x,this multiple of y) Rounds x down to the nearest integer that is a multiple of y . =FLOOR.MATH(x) Rounds x down to the nearest integer, [[x]].
IN MATH: 1. n. the function, or rule which produces the "greatest integer less than or equal to the number" operated upon, symbol [x] or sometimes [[x]].
The greatest integer function is a piece-wise defined function.
Examples: number | the greatest integer less than or equal to the number x | [x] 4 |  = 4 4.4 | [4.4] = 4 -2 | [-2] = -2 -2.3 | [-2.3] = -3
IN ENGLISH: 1. as defined above.
This is a page from the dictionary MATH SPOKEN HERE!, published in 1995 by MATHEMATICAL CONCEPTS, inc., ISBN: 0-9623593-5-1.