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 00:29Z

∑_{k=1}^{n} k = n(n+1)/2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

168K

det| 9 4 ; 1 10 | = 86

446K

3x² + 3x + 6 = 0

1θ² + 2θ + 6 = 0

144K

det| 9 6 ; 7 10 | = 48

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

e^{i\pi} + 1 = 0

86K

7z² + 2z + 0 = 0

iħ ∂ψ/∂t = Ĥψ

224K

PV = nRT

234K

det| 4 2 ; 5 5 | = 10

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

218K

11z² + 3z + 4 = 0

354K

2H₂ + O₂ → 2H₂O

PV = nRT

70K

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

402K

[ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26]