Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:20Z
det| 5 1 ; 4 6 | = 26
det| 4 2 ; 6 5 | = 8
468K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
278K
12φ² + 4φ + 4 = 0
E = mc²
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\frac{4}{8} \sum_{i=1}^{n} i^{2}