Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:57Z
4y² + 8y + 1 = 0
det| 5 9 ; 7 6 | = -33
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
∫₀^∞ e^(-θ²) dθ = √π / 2
358K
∑_{k=1}^{n} k = n(n+1)/2
121K