Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 11:53Z
3z² + 9z + 7 = 0
ΔS ≥ 0
\lim_{β\to 0} \frac{\sin β}{β} = 1
d/dφ [φ^4] = 4φ^3
det| 4 6 ; 4 5 | = -4
130K
d/dθ [θ^10] = 10θ^9
det| 9 4 ; 1 10 | = 86
455K
∑_{k=1}^{n} k = n(n+1)/2
336K