Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\frac{2}{9} \sum_{i=1}^{n} i^{2}
339K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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iħ ∂ψ/∂t = Ĥψ
det| 2 6 ; 1 3 | = 0
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CaCO₃ → CaO + CO₂
det| 10 5 ; 6 11 | = 80
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
387K
det| 3 4 ; 6 4 | = -12
67K
det| 1 7 ; 7 2 | = -47
97K
\lim_{z\to 0} \frac{\sin z}{z} = 1
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det| 6 4 ; 0 7 | = 42
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