Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 20:20Z
d/dω [ω^4] = 4ω^3
8z² + 6z + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
259K
∂ψ/∂r = 2ψ
det| 7 4 ; 4 8 | = 40
57K
det| 2 2 ; 5 3 | = -4
det| 11 4 ; 5 12 | = 112
293K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
110K
det| 5 6 ; 1 6 | = 24
∑_{k=1}^{n} k = n(n+1)/2
300K
∫₀^∞ e^(-ψ²) dψ = √π / 2
34K