Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 03:36Z
ω = 2πf
det| 7 4 ; 4 8 | = 40
320K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
∇²t = 0
\lim_{r\to 0} \frac{\sin r}{r} = 1
394K
∫₀^∞ e^(-t²) dt = √π / 2
29K
8t² + 2t + 4 = 0
\lim_{β\to 0} \frac{\sin β}{β} = 1
94K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
211K
det| 8 9 ; 1 9 | = 63
10r² + 2r + 2 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 6 ; 2 10 | = 78