Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:54Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
177K
det| 5 9 ; 7 6 | = -33
121K
∑_{k=1}^{n} k = n(n+1)/2
11K