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Render mathematical formulas in Obsidian using LaTeX/MathJax syntax.
Passed 25 of 25 test cases with the skill, and 24 of 25 without it.
1 fixed24 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
A test case the skill fixed. Same model, same prompt, with and without the skill.
Format a piecewise function f(x) in Obsidian MathJax that evaluates to x^2 if x >= 0 and -x if x < 0. Someone suggested using an aligned block with raw unescaped text for 'if'. Provide the appropriate environment and text wrapper command.
| Checked | Without skill | With skill |
|---|---|---|
| Uses `\begin{cases}` and `\end{cases}` for conditional piecewise definitions. | Missed | Passed |
| Uses `\text{...}` to render descriptive text like 'if' inside math mode. | Passed | Passed |
The instructions your model reads when the skill loads.
Obsidian uses MathJax to render LaTeX math expressions. This skill covers essential syntax for mathematical notation.
For complete symbol tables and advanced commands, see reference.md.
Inline: The equation $E = mc^2$ appears within text.
Block (centered, display-style):
$$
\int_0^{\infty} e^{-x^2} dx = \frac{\sqrt{\pi}}{2}
$$
$...$): Compact, flows with paragraph$$...$$): Larger, centered, multi-line capable\frac{a}{b} % Standard fraction
\sqrt{x} % Square root
\sqrt[n]{x} % n-th root
\binom{n}{k} % Binomial coefficient
Examples:
$$
\frac{d}{dx}\left(\frac{f(x)}{g(x)}\right) = \frac{f'(x)g(x) - f(x)g'(x)}{[g(x)]^2}
$$
test cases passed, vs 24 / 25 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.