Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-23 05:21Z
d/dz [z^2] = 2z^1
∑_{k=1}^{n} k = n(n+1)/2
425K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
244K
\frac{1}{9} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
347K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
74K
det| 6 9 ; 1 7 | = 33
det| 12 9 ; 5 13 | = 111
155K
\frac{8}{2} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
291K
ΔS ≥ 0
det| 10 2 ; 3 11 | = 104
380K
CaCO₃ → CaO + CO₂