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

3x² + 5x + 7 = 0

168K

d/dψ [ψ^7] = 7ψ^6

446K

3x² + 3x + 6 = 0

det| 7 2 ; 7 8 | = 42

144K

e^{i\pi} + 1 = 0

371K

∇²t = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

7z² + 2z + 0 = 0

iħ ∂ψ/∂t = Ĥψ

224K

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

234K

det| 4 2 ; 5 5 | = 10

∑_{k=1}^{n} k = n(n+1)/2

218K

PV = nRT

354K

ω = 2πf

70K

5φ² + 1φ + 1 = 0

402K