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| 3 1 ; 7 4 | = 5
289K
∂x/∂θ = 8x
det| 3 6 ; 0 4 | = 12
339K
3φ² + 4φ + 2 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
358K
∫₀^∞ e^(-n²) dn = √π / 2
121K
det| 12 9 ; 5 13 | = 111
316K