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
\binom{n}{k} = \frac{n!}{k!(n-k)!}
2K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
det| 1 2 ; 7 2 | = -12
61K
F = ma
∫₀^∞ e^(-φ²) dφ = √π / 2
380K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
335K
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
119K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 4 ; 4 8 | = 40
392K
det| 12 9 ; 5 13 | = 111
32K
det| 2 7 ; 1 3 | = -1