Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∫₀^∞ e^(-θ²) dθ = √π / 2
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2H₂ + O₂ → 2H₂O
det| 8 2 ; 3 9 | = 66
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 11 8 ; 6 12 | = 84
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iħ ∂ψ/∂t = Ĥψ
det| 2 6 ; 1 3 | = 0
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CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 8 6 ; 1 9 | = 66
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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det| 10 9 ; 7 11 | = 47
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\frac{12}{4} \sum_{i=1}^{n} i^{2}
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\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
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det| 12 7 ; 7 13 | = 107
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