Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 03:38Z
ω = 2πf
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
320K
∑_{k=1}^{n} k = n(n+1)/2
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
90K
∇²t = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
394K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
29K
8t² + 2t + 4 = 0
\frac{12}{7} \sum_{i=1}^{n} i^{2}
211K
det| 8 9 ; 1 9 | = 63
\binom{n}{k} = \frac{n!}{k!(n-k)!}
390K