Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:23Z
d/dn [n^4] = 4n^3
∑_{k=1}^{n} k = n(n+1)/2
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
259K
iħ ∂ψ/∂t = Ĥψ
det| 5 6 ; 2 6 | = 18
305K
∫₀^∞ e^(-t²) dt = √π / 2
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
det| 12 1 ; 5 13 | = 151
293K
det| 5 7 ; 5 6 | = -5
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
300K
det| 7 4 ; 4 8 | = 40
34K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
iħ ∂ψ/∂t = Ĥψ
2r² + 6r + 7 = 0
5θ² + 9θ + 7 = 0