Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:47Z
det| 5 1 ; 4 6 | = 26
∑_{k=1}^{n} k = n(n+1)/2
46K
∑_{k=1}^{n} k = n(n+1)/2
det| 3 6 ; 0 4 | = 12
289K
12φ² + 4φ + 4 = 0
E = mc²
det| 7 4 ; 4 8 | = 40
121K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
∑_{k=1}^{n} k = n(n+1)/2
399K
\frac{4}{8} \sum_{i=1}^{n} i^{2}