Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
\frac{2}{9} \sum_{i=1}^{n} i^{2}
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2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
det| 12 3 ; 7 13 | = 135
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
\lim_{y\to 0} \frac{\sin y}{y} = 1
339K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
det| 4 4 ; 2 5 | = 12
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det| 9 8 ; 1 10 | = 82
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
11K
det| 1 4 ; 3 2 | = -10
338K
∑_{k=1}^{n} k = n(n+1)/2
276K
∫₀^∞ e^(-x²) dx = √π / 2
256K