Math Notation Help

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L

lambda (lower case greek letter)

$$$\lambda$$$ gives $$\lambda$$

Lambda (upper case greek letter)

$$$\Lambda$$$ gives $$\Lambda$$

Learning Formula

$$\frac{success}{problem}=~\unitlength{.6}~\picture(100){~~(50,50){\circle(99)}~ ~(20,55;50,0;2){+1$\hat\bullet}~~(50,40){\bullet}~~(50,35){\circle(50,25;34)}~ ~(50,35){\circle(50,45;34)}}$$

Keyword(s):

left only brace

Syntax: \left{...\right. (note the dot at the end!)</li><li>Ex.: $$$f(x)=\left{{x^2, \rm~if x>-1\atop~0, \rm~else}\right.$$$ gives

$$f(x)=\left{{x^2, \rm~if x>-1\atop~0, \rm~else}\right.$$

(\rm~something switches to roman style)

less than

$$$<$$$ is $$<$$

Keyword(s):

less than or equal

$$$x\le~y$$$ or $$$x\leq~y$$$ gives

$$x\le~y$$

Keyword(s):