Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:36Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
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\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 2 3 ; 5 3 | = -9
289K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
278K
∂x/∂θ = 8x
AgNO₃ + NaCl → AgCl↓ + NaNO₃
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3φ² + 4φ + 2 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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