Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:32Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\lim_{t\to 0} \frac{\sin t}{t} = 1
468K
CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
det| 9 4 ; 1 10 | = 86
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∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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