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 23:53Z

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-r²) dr = √π / 2

168K

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

446K

det| 4 1 ; 4 5 | = 16

det| 9 6 ; 0 10 | = 90

144K

det| 4 8 ; 3 5 | = -4

371K

∫₀^∞ e^(-x²) dx = √π / 2

8ψ² + 7ψ + 0 = 0

259K

1θ² + 2θ + 6 = 0

86K

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

1n² + 7n + 3 = 0

224K

∂y/∂n = 5y

234K

\frac{9}{4} \sum_{i=1}^{n} i^{2}

PV = nRT

218K

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

354K

F = G m₁m₂ / r²

∇ × E = −∂B/∂t

70K

det| 7 7 ; 4 8 | = 28

402K

e^{i\pi} + 1 = 0

[ 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]