Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 16:41Z
d/dθ [θ^10] = 10θ^9
\binom{n}{k} = \frac{n!}{k!(n-k)!}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
9z² + 5z + 3 = 0
det| 9 4 ; 1 10 | = 86
224K
∑_{k=1}^{n} k = n(n+1)/2
234K
det| 10 1 ; 4 11 | = 106