Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:55Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
CH₄ + 2O₂ → CO₂ + 2H₂O
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 4 8 ; 3 5 | = -4
316K