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 00:04Z

∑_{k=1}^{n} k = n(n+1)/2

\lim_{r\to 0} \frac{\sin r}{r} = 1

168K

e^{i\pi} + 1 = 0

446K

3x² + 3x + 6 = 0

det| 9 5 ; 1 10 | = 85

144K

PV = nRT

371K

∇²t = 0

∂γ/∂z = 6γ

259K

det| 6 1 ; 2 7 | = 40

86K

7z² + 2z + 0 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

224K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

234K

iħ ∂ψ/∂t = Ĥψ

218K