Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
\frac{5}{6} \sum_{i=1}^{n} i^{2}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
det| 9 8 ; 1 10 | = 82
CH₄ + 2O₂ → CO₂ + 2H₂O
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
det| 10 1 ; 1 11 | = 109
338K
\lim_{β\to 0} \frac{\sin β}{β} = 1
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