Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:33Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{4}{9} \sum_{i=1}^{n} i^{2}
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
278K
∂x/∂θ = 8x
Fe₂O₃ + 3CO → 2Fe + 3CO₂
339K
det| 10 2 ; 3 11 | = 104
177K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
358K
CH₄ + 2O₂ → CO₂ + 2H₂O
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K
\oint_C \vec{F}\cdot d\vec{r} = 0
11K