Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 15:59Z
\lim_{x\to 0} \frac{\sin x}{x} = 1
∫₀^∞ e^(-ω²) dω = √π / 2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
2K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
174K
∑_{k=1}^{n} k = n(n+1)/2
61K
F = ma
F = G m₁m₂ / r²
det| 1 1 ; 5 2 | = -3
472K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 9 ; 1 8 | = 47
392K
∂x/∂y = 6x
det| 2 7 ; 1 3 | = -1
9r² + 4r + 1 = 0