Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:20Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
\lim_{z\to 0} \frac{\sin z}{z} = 1
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
394K
7z² + 2z + 5 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
94K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
211K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 3 2 ; 1 4 | = 10
\lim_{r\to 0} \frac{\sin r}{r} = 1
144K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
352K
ω = 2πf
det| 5 1 ; 1 6 | = 29
16K
det| 6 2 ; 4 7 | = 34
110K