Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:39Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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CaCO₃ → CaO + CO₂
det| 9 5 ; 1 10 | = 85
289K
det| 5 2 ; 3 6 | = 24
278K
e^{i\pi} + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\frac{4}{6} \sum_{i=1}^{n} i^{2}
399K
∑_{k=1}^{n} k = n(n+1)/2
11K