Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 15:50Z
\lim_{x\to 0} \frac{\sin x}{x} = 1
∫₀^∞ e^(-x²) dx = √π / 2
222K
∫₀^∞ e^(-ω²) dω = √π / 2
det| 7 4 ; 4 8 | = 40
87K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
F = ma
∑_{k=1}^{n} k = n(n+1)/2
380K
det| 7 1 ; 7 8 | = 49
335K
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
119K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∂x/∂y = 6x
det| 2 7 ; 1 3 | = -1
9r² + 4r + 1 = 0