Σ index Ledger /3 Matrix 11 Matrix 23 Rxn set 8 Rxn set 20 Batch 16 Σ#6 Eq pack 13 Σ#24 Σ#12 Matrix 17 Ledger /9 Rxn set 26 Batch 4 Σ#18

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-18 22:21Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

384K

det| 9 4 ; 1 10 | = 86

385K

det| 11 9 ; 4 12 | = 96

d/dt [t^3] = 3t^2

163K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

∇ × E = −∂B/∂t

∇ × E = −∂B/∂t

305K

∫₀^∞ e^(-θ²) dθ = √π / 2

57K

5z² + 5z + 0 = 0

\binom{n}{k} = \frac{n!}{k!(n-k)!}

293K

∂α/∂ω = 3α

110K

CaCO₃ → CaO + CO₂

300K