Who's Online Username Time Location Guest 06:19 AM Viewing Who's Online Guest 06:19 AM Reading Thread Find $$n$$ such that both $$n-45$$ and $$n+44$$ are perfect squares Guest 06:19 AM Viewing Profile Guest 06:18 AM Viewing Calendar Guest 06:17 AM Reading Thread Parity related facts Guest 06:17 AM Reading Thread Nowhere matching permutations on $$\left\{1, \cdots, n\right\}$$ Guest 06:17 AM Viewing No Permissions Page Guest 06:16 AM Reading Thread Added MathJax and ASCIIMathML for Math Posts Guest 06:15 AM Registering Guest 06:15 AM Viewing Profile Guest 06:15 AM Viewing No Permissions Page Guest 06:14 AM Viewing No Permissions Page Guest 06:13 AM Viewing Calendar Guest 06:12 AM Reading Thread A Geo-Inequality: $$P \in \triangle^{\circ}_{ABC} \Rightarrow \frac{PA}{a}+\frac{PB}{b}+\frac{PC}{c} \ge \sqrt$$ Guest 06:12 AM Reading Thread A Geo-Inequality: $$P \in \triangle^{\circ}_{ABC} \Rightarrow \frac{PA}{a}+\frac{PB}{b}+\frac{PC}{c} \ge \sqrt$$ Guest 06:11 AM Reading Thread A necessary condition to be a sum of 2 perfect squares Guest 06:11 AM Reading Thread Rudin 【Principle of Mathematical Analysis】Notes & Solutions Guest 06:10 AM Registering Guest 06:10 AM Viewing Calendar Guest 06:09 AM Reading Thread [T]:$$a^2+b^2+c^2-(1/2)(|a-b|+|b-c|+|c-a|)^2\geq 4S\sqrt$$ for triangles with side lengths $$a,b,c$$ and area $$S$$ Who Was Online Today | Refresh this Page