Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:22Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\lim_{r\to 0} \frac{\sin r}{r} = 1
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e^{i\pi} + 1 = 0
∂x/∂r = 4x
\frac{4}{9} \sum_{i=1}^{n} i^{2}
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 5 ; 1 10 | = 85
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