New posts in arithmetic

How does adding big O notations works

The square root of a number and the plus or minus sign.

Non-standard proofs of standard theorems

Continued Fraction using all Perfect Squares

Some regularity in the prime decomposition

Isn't square root a bit like Log()?

How can I prove that starting from $0$, and repeatedly taking $+10,-10,\times10$ or $\div10$, requires at least $9$ operations to get to $2019$?

How to solve the problem on percentage? [closed]

Prove $\frac{1}{a^3+b^3+abc}+\frac{1}{a^3+c^3+abc}+\frac{1}{b^3+c^3+abc} \leq \frac{1}{abc}$

Show that $\sqrt[3]{3\sqrt{21} + 8} - \sqrt[3]{3\sqrt{21} - 8} = 1$

Time, Speed, Distance problem

Explanation for $\lim_{x\to\infty}\sqrt{x^2-4x}-x=-2$ and not $0$

calculate $x^{206}+x^{200}+x^{90}+x^{84}+x^{18}+x^{12}+x^{6}+1$ given $(x+x^{-1})^2 = 3$

How hard is it to do arithmetic?

square root of $1/2 + \sqrt3/2?$

How to find out the greater number from $15^{1/20}$ and $20^{1/15}$?

How to raise -1 to non-integer powers

Comparing the magnitudes of expressions of surds

Why can't division by zero be defined just like iota? [duplicate]

Question regarding determination of whether a linear congruence has solutions or not.