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 00:20Z

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-r²) dr = √π / 2

168K

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

446K

3x² + 3x + 6 = 0

PV = nRT

144K

det| 4 8 ; 3 5 | = -4

371K

∇²t = 0

8ψ² + 7ψ + 0 = 0

259K

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

86K

7z² + 2z + 0 = 0

det| 11 9 ; 0 12 | = 132

224K

det| 3 6 ; 0 4 | = 12

234K

det| 4 2 ; 5 5 | = 10

d/dx [x^9] = 9x^8

218K

F = G m₁m₂ / r²

354K

2H₂ + O₂ → 2H₂O

∇ × E = −∂B/∂t

70K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

402K

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

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