Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:36Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
det| 4 2 ; 6 5 | = 8
289K
det| 7 4 ; 4 8 | = 40
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 5 2 ; 3 6 | = 24
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
∑_{k=1}^{n} k = n(n+1)/2
121K