Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:57Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-x²) dx = √π / 2
121K
∑_{k=1}^{n} k = n(n+1)/2
399K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
316K