Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 15:56Z
\lim_{x\to 0} \frac{\sin x}{x} = 1
∫₀^∞ e^(-ω²) dω = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
87K
det| 12 9 ; 5 13 | = 111
2K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
61K
F = ma
∑_{k=1}^{n} k = n(n+1)/2
335K
F = G m₁m₂ / r²
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
119K
det| 9 4 ; 1 10 | = 86
472K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∂x/∂y = 6x
det| 2 7 ; 1 3 | = -1
9r² + 4r + 1 = 0