Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:07Z
4y² + 8y + 1 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
46K
\oint_C \vec{F}\cdot d\vec{r} = 0
468K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 1 4 ; 3 2 | = -10
339K
∫₀^∞ e^(-x²) dx = √π / 2
177K
iħ ∂ψ/∂t = Ĥψ
Fe₂O₃ + 3CO → 2Fe + 3CO₂
358K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
316K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
11K
\lim_{t\to 0} \frac{\sin t}{t} = 1
144K
∑_{k=1}^{n} k = n(n+1)/2
67K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
97K