Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 19:50Z
\frac{4}{2} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
446K
d/dt [t^8] = 8t^7
det| 7 4 ; 4 8 | = 40
144K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
det| 3 6 ; 0 4 | = 12
259K
\lim_{t\to 0} \frac{\sin t}{t} = 1
86K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
224K
∫₀^∞ e^(-t²) dt = √π / 2
354K
∑_{k=1}^{n} k = n(n+1)/2
70K