Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:49Z
∂y/∂t = 1y
\binom{n}{k} = \frac{n!}{k!(n-k)!}
66K
∑_{k=1}^{n} k = n(n+1)/2
222K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
2K
ΔS ≥ 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
174K
det| 6 1 ; 1 7 | = 41
\lim_{t\to 0} \frac{\sin t}{t} = 1
380K
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 10 2 ; 3 11 | = 104
119K
5φ² + 2φ + 6 = 0
\frac{9}{7} \sum_{i=1}^{n} i^{2}
3α² + 5α + 4 = 0
2H₂ + O₂ → 2H₂O
F = G m₁m₂ / r²