Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 15:55Z
\lim_{x\to 0} \frac{\sin x}{x} = 1
∫₀^∞ e^(-ω²) dω = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
87K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
det| 9 2 ; 3 10 | = 84
174K
det| 7 4 ; 4 8 | = 40
61K
F = ma
\binom{n}{k} = \frac{n!}{k!(n-k)!}
380K
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O