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In mathematics, a real number is a value that represents a quantity along a line. The adjective real in this context was introduced in the 17th century by René ...


Mathematicians also play with some special numbers that that aren't Real Numbers. The Real Number Line. The Real Number Line is like a geometric line.


Note: Real numbers are numbers that can be found on the number line. This includes both the rational and irrational numbers. This tutorial explains real ...


"Plouffe's Inverter" includes a huge database of 54 million real numbers which are algebraically related to fundamental mathematical constants and functions.


A 'real number' is any element of the set R, which is the union of the set of a rational numbers and the set of irrational numbers.


It is true that the real numbers are 'points on a line,' but that's not the whole truth. This web page explains that the real number system is a Dedekind-complete ...


An old video of Sal where he simplifies square roots in order to determine whether they represent rational or irrational numbers.


A real number is a value that represents a quantity along a number line.


This includes (but is not limited to) positives and negatives, integers and rational numbers, square roots, cube roots , π (pi), etc. Real numbers are indicated by ...