User talk:Catslash/Sandbox

$f^{(2)}(x)=0$

$f''(x)=0$

$\left\|{\frac {x}{2}}\right\|=\left|{\frac {x}{2}}\right|$

Accents/diacritics on symbols using unicode combining marks/characters

${\hat {u}}+{\tilde {v}}+{\bar {w}}+\mathbf {\hat {x}} +\mathbf {\hat {y}} +\mathbf {\hat {z}} +{\grave {E}}+{\acute {E}}+{\hat {E}}+{\tilde {E}}+{\bar {E}}+{\overline {E}}+{\breve {E}}+{\dot {E}}+{\ddot {E}}+{\check {E}}+{\vec {E}}+{\stackrel {...}{E}}+{\stackrel {....}{E}}+{\stackrel {\leftrightarrow }{E}}=1$

${\dot {\omega }}$

More than one accent ${\dot {\hat {M}}}=\mathrm {stupidity} =\mathrm {a{\ddot {\dot {c}}}e}$

$\mathbf {\hat {x}} \cdot \mathbf {\hat {y}} =\mathbf {\hat {y}} \cdot \mathbf {\hat {z}} =\mathbf {\hat {z}} \cdot \mathbf {\hat {x}} =0$

${\begin{aligned}L&={\frac {1}{6}}l^{2}m(4{\dot {\theta }}_{1}^{2}+{\dot {\theta }}_{2}^{2}+3{\dot {\theta }}_{1}{\dot {\theta }}_{2}(\cos(\theta _{1})\cos(\theta _{2})+\sin(\theta _{1})\sin(\theta _{2})))+{\frac {1}{2}}mgl(3\cos(\theta _{1})+\cos(\theta _{2}))\\&={\frac {1}{6}}l^{2}m(4{\dot {\theta }}_{1}^{2}+{\dot {\theta }}_{2}^{2}+3{\dot {\theta }}_{1}{\dot {\theta }}_{2}\cos(\theta _{1}-\theta _{2}))+{\frac {1}{2}}mgl(3\cos(\theta _{1})+\cos(\theta _{2}))\end{aligned}}$

${\begin{aligned}L&={\frac {1}{6}}l^{2}m(4{{\dot {\theta }}_{1}}^{2}+{{\dot {\theta }}_{2}}^{2}+3{\dot {\theta }}_{1}{\dot {\theta }}_{2}(\cos(\theta _{1})\cos(\theta _{2})+\sin(\theta _{1})\sin(\theta _{2})))+{\frac {1}{2}}mgl(3\cos(\theta _{1})+\cos(\theta _{2}))\\&={\frac {1}{6}}l^{2}m(4{{\dot {\theta }}_{1}}^{2}+{{\dot {\theta }}_{2}}^{2}+3{\dot {\theta }}_{1}{\dot {\theta }}_{2}\cos(\theta _{1}-\theta _{2}))+{\frac {1}{2}}mgl(3\cos(\theta _{1})+\cos(\theta _{2}))\end{aligned}}$

Combining subscripts and superscripts

<math>e^x^2</math> gives a parser error

$e_{2}^{x}$

<math>e_x_2</math> gives a parser error

$e_{x}^{2}$

<math>e_x^y_2</math> gives a parser error

${e^{x}}^{2}$

$e^{x^{2}}$

$e^{x}y_{2}$

Precedence	Operator	Description	Associativity
1 highest	dyad	Postfix increment	Right
	vec	Diacritic ${\vec {x}}$
	under	Function call
	bar	Diacritic ${\bar {x}}$
	tilde	Diacritic ${\tilde {x}}$
	hat	Diacritic ${\hat {x}}$
	dot	Diacritic ${\dot {x}}$
	dotdot	Diacritic ${\ddot {x}}$
2	fwd	Local motion	Right
	back	Local motion
	down	Local motion
	up	Local motion
3	fat	Style	Right
	roman	Style
	italic	Style
	bold	Style
	size	Style
4	sub	Subscript	Left-to-right
	sup	Superscript
	sqrt	Square root
	over	Division
5 lowest	from	Limit	Right
	to	Limit

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