Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:07Z
4y² + 8y + 1 = 0
det| 7 4 ; 4 8 | = 40
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2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-x²) dx = √π / 2
339K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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iħ ∂ψ/∂t = Ĥψ
AgNO₃ + NaCl → AgCl↓ + NaNO₃
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
316K
∑_{k=1}^{n} k = n(n+1)/2
11K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
\oint_C \vec{F}\cdot d\vec{r} = 0
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