Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-06 00:47Z
11r² + 2r + 3 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
30K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
7n² + 5n + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
235K
E = mc²
∑_{k=1}^{n} k = n(n+1)/2
327K
CH₄ + 2O₂ → CO₂ + 2H₂O
56K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
163K
12ω² + 2ω + 2 = 0
det| 5 5 ; 3 6 | = 15
439K
det| 7 1 ; 4 8 | = 52
205K
\oint_C \vec{F}\cdot d\vec{r} = 0
435K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
424K
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
6K