Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 17:14Z
d/dθ [θ^5] = 5θ^4
\frac{2}{4} \sum_{i=1}^{n} i^{2}
det| 7 7 ; 4 8 | = 28
144K
det| 9 4 ; 1 10 | = 86
371K
d/dr [r^4] = 4r^3
det| 10 7 ; 3 11 | = 89
86K
∑_{k=1}^{n} k = n(n+1)/2
224K