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 00:17Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

F = G m₁m₂ / r²

446K

3x² + 3x + 6 = 0

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

144K

11t² + 6t + 6 = 0

371K

∇²t = 0

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

259K

∫₀^∞ e^(-θ²) dθ = √π / 2

86K

7z² + 2z + 0 = 0

e^{i\pi} + 1 = 0

224K

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

234K

∑_{k=1}^{n} k = n(n+1)/2

218K

8x² + 2x + 7 = 0

354K

det| 7 4 ; 4 8 | = 40

70K

6ω² + 4ω + 4 = 0

402K

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