Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:40Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 11 5 ; 0 12 | = 132
278K
∂x/∂θ = 8x
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 11 4 ; 5 12 | = 112
387K