Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:38Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
289K
∂x/∂θ = 8x
3φ² + 4φ + 2 = 0
det| 9 5 ; 1 10 | = 85
121K
5ω² + 6ω + 0 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
399K
∫₀^∞ e^(-θ²) dθ = √π / 2