Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:51Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-r²) dr = √π / 2
168K
3x² + 3x + 6 = 0
det| 12 9 ; 5 13 | = 111
144K
∇²t = 0
∑_{k=1}^{n} k = n(n+1)/2
259K
CH₄ + 2O₂ → CO₂ + 2H₂O
86K
7z² + 2z + 0 = 0
det| 10 7 ; 3 11 | = 89
224K
det| 4 2 ; 5 5 | = 10
∑_{k=1}^{n} k = n(n+1)/2
354K
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
70K
\lim_{x\to 0} \frac{\sin x}{x} = 1