Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:39Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-ω²) dω = √π / 2
46K
∫₀^∞ e^(-z²) dz = √π / 2
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
289K
∂x/∂θ = 8x
det| 3 1 ; 7 4 | = 5
339K
3φ² + 4φ + 2 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
358K
det| 1 4 ; 3 2 | = -10
316K
∑_{k=1}^{n} k = n(n+1)/2
11K