Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:39Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 5 6 ; 2 6 | = 18
278K
∂x/∂θ = 8x
det| 9 6 ; 0 10 | = 90
177K
3φ² + 4φ + 2 = 0
det| 4 8 ; 3 5 | = -4
358K
5ω² + 6ω + 0 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
399K
det| 5 2 ; 1 6 | = 28
∫₀^∞ e^(-θ²) dθ = √π / 2
∇²θ = 0