Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:56Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
46K
det| 5 9 ; 7 6 | = -33
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
278K
∂x/∂θ = 8x
∫₀^∞ e^(-θ²) dθ = √π / 2
339K
3φ² + 4φ + 2 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
121K
5ω² + 6ω + 0 = 0