Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:47Z
det| 5 1 ; 4 6 | = 26
∫₀^∞ e^(-z²) dz = √π / 2
468K
∑_{k=1}^{n} k = n(n+1)/2
12φ² + 4φ + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 12 1 ; 5 13 | = 151
177K
E = mc²
det| 9 4 ; 1 10 | = 86
121K
∫₀^∞ e^(-α²) dα = √π / 2
316K
∑_{k=1}^{n} k = n(n+1)/2
387K