Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:26Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-r²) dr = √π / 2
168K
3x² + 3x + 6 = 0
∇²t = 0
∑_{k=1}^{n} k = n(n+1)/2
259K
\lim_{x\to 0} \frac{\sin x}{x} = 1
86K
7z² + 2z + 0 = 0
\frac{12}{6} \sum_{i=1}^{n} i^{2}
224K
\lim_{β\to 0} \frac{\sin β}{β} = 1
234K
det| 4 2 ; 5 5 | = 10
∑_{k=1}^{n} k = n(n+1)/2
218K
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
70K
\oint_C \vec{F}\cdot d\vec{r} = 0
402K
\lim_{x\to 0} \frac{\sin x}{x} = 1