Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:37Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
46K
det| 7 9 ; 1 8 | = 47
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
289K
det| 2 7 ; 7 3 | = -43
278K
∂x/∂θ = 8x
det| 4 2 ; 6 5 | = 8
339K
CH₄ + 2O₂ → CO₂ + 2H₂O
358K
∑_{k=1}^{n} k = n(n+1)/2
121K