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 00:59Z

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-x²) dx = √π / 2

168K

e^{i\pi} + 1 = 0

446K

3x² + 3x + 6 = 0

8ψ² + 7ψ + 0 = 0

144K

2n² + 4n + 0 = 0

371K

∇²t = 0

det| 12 6 ; 0 13 | = 156

259K

det| 6 6 ; 5 7 | = 12

86K

7z² + 2z + 0 = 0

iħ ∂ψ/∂t = Ĥψ

224K

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

234K

det| 4 2 ; 5 5 | = 10

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

218K

det| 7 2 ; 7 8 | = 42

354K

∇ × E = −∂B/∂t

70K

PV = nRT

402K

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