Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:26Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
det| 3 7 ; 2 4 | = -2
289K
det| 7 8 ; 4 8 | = 24
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\frac{4}{6} \sum_{i=1}^{n} i^{2}
339K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
177K
∑_{k=1}^{n} k = n(n+1)/2
358K
\oint_C \vec{F}\cdot d\vec{r} = 0
121K
det| 7 4 ; 4 8 | = 40
399K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
11K