Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:13Z
4y² + 8y + 1 = 0
det| 7 7 ; 2 8 | = 42
46K
det| 4 8 ; 7 5 | = -36
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 11 8 ; 6 12 | = 84
358K
det| 9 7 ; 3 10 | = 69
316K
det| 8 8 ; 0 9 | = 72
11K
∑_{k=1}^{n} k = n(n+1)/2
346K
∫₀^∞ e^(-x²) dx = √π / 2
256K
det| 7 4 ; 4 8 | = 40
348K
det| 7 3 ; 6 8 | = 38
396K