Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:54Z
∑_{k=1}^{n} k = n(n+1)/2
CH₄ + 2O₂ → CO₂ + 2H₂O
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∂x/∂θ = 8x
det| 7 4 ; 4 8 | = 40
339K
det| 11 4 ; 5 12 | = 112
177K
∑_{k=1}^{n} k = n(n+1)/2
358K
det| 12 1 ; 5 13 | = 151
399K