Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:23Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
det| 5 9 ; 0 6 | = 30
87K
∫₀^∞ e^(-t²) dt = √π / 2
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 6 4 ; 4 7 | = 26
174K
\lim_{β\to 0} \frac{\sin β}{β} = 1
61K
∇²x = 0
det| 7 8 ; 6 8 | = 8
380K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
119K
det| 9 4 ; 1 10 | = 86
472K
det| 10 2 ; 3 11 | = 104
32K