Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:25Z
4y² + 8y + 1 = 0
det| 8 9 ; 4 9 | = 36
46K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
468K
2H₂ + O₂ → 2H₂O
det| 7 4 ; 4 8 | = 40
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 4 2 ; 6 5 | = 8
177K
∫₀^∞ e^(-t²) dt = √π / 2
316K
∑_{k=1}^{n} k = n(n+1)/2
11K