Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:22Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
\frac{4}{6} \sum_{i=1}^{n} i^{2}
87K
∑_{k=1}^{n} k = n(n+1)/2
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
CH₄ + 2O₂ → CO₂ + 2H₂O
174K
det| 7 4 ; 4 8 | = 40
61K
∇²x = 0
det| 12 3 ; 4 13 | = 144
380K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
119K
∫₀^∞ e^(-t²) dt = √π / 2
472K
E = mc²