Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:53Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-t²) dt = √π / 2
468K
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
289K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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e^{i\pi} + 1 = 0
det| 9 6 ; 0 10 | = 90
177K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 3 1 ; 7 4 | = 5
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∫₀^∞ e^(-α²) dα = √π / 2
316K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
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