Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:55Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-t²) dt = √π / 2
468K
CaCO₃ → CaO + CO₂
\lim_{t\to 0} \frac{\sin t}{t} = 1
289K
det| 5 9 ; 7 6 | = -33
278K
e^{i\pi} + 1 = 0
∂x/∂r = 4x
det| 9 4 ; 1 10 | = 86
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-θ²) dθ = √π / 2
399K
CH₄ + 2O₂ → CO₂ + 2H₂O
316K
\frac{4}{9} \sum_{i=1}^{n} i^{2}
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