Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:10Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-n²) dn = √π / 2
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CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
∂x/∂r = 4x
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 12 4 ; 4 13 | = 140
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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