Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 00:21Z
∇²β = 0
∑_{k=1}^{n} k = n(n+1)/2
232K
3y² + 5y + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
375K
det| 9 4 ; 1 10 | = 86
47K
d/dx [x^2] = 2x^1
det| 7 8 ; 6 8 | = 8
165K
1φ² + 5φ + 7 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
430K
det| 12 3 ; 4 13 | = 144
130K