Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:11Z
∂y/∂t = 1y
\oint_C \vec{F}\cdot d\vec{r} = 0
66K
∑_{k=1}^{n} k = n(n+1)/2
222K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{6}{3} \sum_{i=1}^{n} i^{2}
87K
det| 9 4 ; 1 10 | = 86
2K
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
174K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
61K
det| 6 1 ; 1 7 | = 41
d/dz [z^11] = 11z^10
335K
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 9 9 ; 5 10 | = 45
119K
\lim_{r\to 0} \frac{\sin r}{r} = 1
472K
\frac{9}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
32K
2H₂ + O₂ → 2H₂O
F = G m₁m₂ / r²