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Direct linkMortici, Cristinel – International Journal of Mathematical Education in Science and Technology, 2012
The floor function maps a real number to the largest previous integer. More precisely, floor(x)=[x] is the largest integer not greater than x. The square bracket notation [x] for the floor function was introduced by Gauss in his third proof of quadratic reciprocity in 1808. The floor function is also called the greatest integer or entier (French…
Descriptors: Numbers, Number Concepts, Geometric Concepts, Mathematics Education
