Help:Equations
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General rules
- <math>...</math> - formula must be in MATH tag.
- \frac{first line}{second line} - fraction
- \cdot - multiplication sign (don't use x, unless you multiply arrays)
- \sqrt{} - square root
- σ - greek letters
Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle σ}
- \sum_{k=1}^N k^2 - sum, power
Full rules are available on Mediawiki site: Formula.
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