Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 01:18Z
iħ ∂ψ/∂t = Ĥψ
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
168K
\oint_C \vec{F}\cdot d\vec{r} = 0
446K
10t² + 5t + 5 = 0
∇ × E = −∂B/∂t
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
259K
det| 8 7 ; 1 9 | = 65
\binom{n}{k} = \frac{n!}{k!(n-k)!}
224K
\frac{12}{9} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
402K