User:Scal3s Confrey/sandbox

Hi! let's see if HTML works. How about this. Maybe  this ? I'm a math major, so let's see some fancy symbols! $$\int_0^\pi{\mathrm{cos}{\theta}\mathop{}\!\mathrm{d}\theta} = \mathrm{sin}(\pi) - \mathrm{sin}(0) = 0 $$ $$\sum_{k=1}^n{k} = \underbrace{(n+1)+((n-1)+2)+\cdots}_{n/2 \; \text{times}} = \frac{n(n+1)}{2}$$

--Scal3s Confrey (talk) 13:55, 14 December 2018 (UTC)