Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:53Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
det| 7 2 ; 7 8 | = 42
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
∑_{k=1}^{n} k = n(n+1)/2
358K
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 9 4 ; 1 10 | = 86
316K