Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 13:13Z
det| 11 7 ; 6 12 | = 90
∑_{k=1}^{n} k = n(n+1)/2
446K
d/dy [y^12] = 12y^11
det| 4 2 ; 6 5 | = 8
144K
det| 7 4 ; 4 8 | = 40
371K
9n² + 8n + 0 = 0
d/dt [t^5] = 5t^4
Fe₂O₃ + 3CO → 2Fe + 3CO₂
224K
∑_{k=1}^{n} k = n(n+1)/2
218K