Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:32Z
∑_{k=1}^{n} k = n(n+1)/2
det| 11 9 ; 4 12 | = 96
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
163K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
259K
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
305K
5z² + 5z + 0 = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
293K
det| 6 6 ; 3 7 | = 24
\oint_C \vec{F}\cdot d\vec{r} = 0
2H₂ + O₂ → 2H₂O
E = mc²
2n² + 3n + 1 = 0
det| 2 9 ; 4 3 | = -30