Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:14Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
468K
iħ ∂ψ/∂t = Ĥψ
\frac{4}{6} \sum_{i=1}^{n} i^{2}
289K
3r² + 6r + 7 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
339K
det| 7 4 ; 4 8 | = 40
177K
E = mc²
\oint_C \vec{F}\cdot d\vec{r} = 0
358K
det| 4 2 ; 6 5 | = 8
121K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
399K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
316K
det| 3 6 ; 1 4 | = 6