Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:53Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
∫₀^∞ e^(-ψ²) dψ = √π / 2
468K
2H₂ + O₂ → 2H₂O
det| 7 4 ; 4 8 | = 40
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 10 2 ; 3 11 | = 104
358K
∑_{k=1}^{n} k = n(n+1)/2
121K