Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:20Z
d/dn [n^4] = 4n^3
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∑_{k=1}^{n} k = n(n+1)/2
163K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
259K
iħ ∂ψ/∂t = Ĥψ
\frac{2}{4} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-ψ²) dψ = √π / 2
110K
det| 5 7 ; 5 6 | = -5
det| 4 2 ; 6 5 | = 8
300K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
iħ ∂ψ/∂t = Ĥψ
2r² + 6r + 7 = 0
5θ² + 9θ + 7 = 0