Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 07:40Z
d/dz [z^9] = 9z^8
det| 3 6 ; 0 4 | = 12
det| 12 1 ; 4 13 | = 152
248K
det| 4 6 ; 4 5 | = -4
157K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
299K
∑_{k=1}^{n} k = n(n+1)/2
100K