Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:09Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{β\to 0} \frac{\sin β}{β} = 1
320K
∫₀^∞ e^(-β²) dβ = √π / 2
144K
det| 4 7 ; 0 5 | = 20
det| 9 4 ; 1 10 | = 86
438K
∑_{k=1}^{n} k = n(n+1)/2
det| 2 4 ; 4 3 | = -10
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
94K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
211K
∑_{k=1}^{n} k = n(n+1)/2
390K