Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 17:49Z
11x² + 3x + 4 = 0
\frac{7}{1} \sum_{i=1}^{n} i^{2}
222K
ω = 2πf
\frac{6}{7} \sum_{i=1}^{n} i^{2}
2K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
174K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 1 2 ; 7 2 | = -12
335K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
119K
∑_{k=1}^{n} k = n(n+1)/2
392K