Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:20Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 4 8 ; 3 5 | = -4
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\frac{6}{9} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
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PV = nRT
det| 8 9 ; 4 9 | = 36
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