jason-s/math-rosetta.md

## math-rosetta.md

      
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$$\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}$$
$$\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}$$
sum_(i=0)^n i^2 = ((n^2+n)(2n+1))/6


\lim_{\Delta x \to 0} \frac{\sin (x + \Delta x) - \sin x}{\Delta x} = \frac{d}{dx} \sin x = \cos x
$$\lim_{\Delta x \to 0} \frac{\sin (x + \Delta x) - \sin x}{\Delta x} = \frac{d}{dx} \sin x = \cos x$$
lim_(Delta x->0) (sin (x + Delta x) - sin(x))/(Delta x) = d/(d x) sin x = cos x


\mathbf{T}(\theta) = \begin{bmatrix}\cos\theta & -\sin\theta \\ \sin\theta & \cos\theta \end{bmatrix}
(won't render in this form in GitHub Markdown math in a table)
#let bf(x) = $upright(bold(#x)) 
 #set math.mat(delim: "[")   
   bf(T)(theta) = mat(cos theta, -sin theta; sin theta, cos theta)
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`$$\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}$$`	$$\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}$$	`sum_(i=0)^n i^2 = ((n^2+n)(2n+1))/6`
`\lim_{\Delta x \to 0} \frac{\sin (x + \Delta x) - \sin x}{\Delta x} = \frac{d}{dx} \sin x = \cos x`	$$\lim_{\Delta x \to 0} \frac{\sin (x + \Delta x) - \sin x}{\Delta x} = \frac{d}{dx} \sin x = \cos x$$	`lim_(Delta x->0) (sin (x + Delta x) - sin(x))/(Delta x) = d/(d x) sin x = cos x`
`\mathbf{T}(\theta) = \begin{bmatrix}\cos\theta & -\sin\theta \\ \sin\theta & \cos\theta \end{bmatrix}`	(won't render in this form in GitHub Markdown math in a table)	`#let bf(x) = $upright(bold(#x)) #set math.mat(delim: "[") bf(T)(theta) = mat(cos theta, -sin theta; sin theta, cos theta)`