New posts in Real Numbers

Link between polynomial and derivative of polynomial

How can I mathematically split up a 3 digit number?

Are the real numbers the unique Dedekind-complete ordered set?

What is the domain of a division of functions?

Showing that $x$ is non-positive

Conjugate of real number

Why can a real number be defined as a Dedekind cut, that is, as a set of rational numbers?

Confusion about Tao's construction of reals

When $\alpha n + \beta \sqrt{n}$ is an integer for infinitely many n's?

Prove that any real number can be expressed as the sum of two irrational numbers