Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 00:02Z
∇²β = 0
det| 4 6 ; 4 5 | = -4
164K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
232K
3y² + 5y + 2 = 0
det| 9 7 ; 3 10 | = 69
375K
∫₀^∞ e^(-β²) dβ = √π / 2
47K
d/dx [x^2] = 2x^1
det| 7 4 ; 4 8 | = 40
372K
1φ² + 5φ + 7 = 0
e^{i\pi} + 1 = 0
7n² + 3n + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
215K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∂x/∂x = 8x
∂β/∂ψ = 1β