Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 15:53Z
\lim_{x\to 0} \frac{\sin x}{x} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
222K
∫₀^∞ e^(-ω²) dω = √π / 2
\frac{1}{8} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-φ²) dφ = √π / 2
174K
F = ma
det| 11 2 ; 5 12 | = 122
380K
∑_{k=1}^{n} k = n(n+1)/2
335K
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
472K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∂x/∂y = 6x
det| 2 7 ; 1 3 | = -1
9r² + 4r + 1 = 0