Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 13:45Z

det| 11 7 ; 6 12 | = 90

e^{i\pi} + 1 = 0

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

d/dy [y^12] = 12y^11

d/dφ [φ^1] = 1φ^0

144K

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

371K

9n² + 8n + 0 = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

det| 9 4 ; 1 10 | = 86

86K

d/dt [t^5] = 5t^4

det| 4 8 ; 3 5 | = -4

224K

det| 6 6 ; 5 7 | = 12

234K

∇²t = 0

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

218K

ΔS ≥ 0

8n² + 2n + 0 = 0

e^{i\pi} + 1 = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

λ = h/p