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 00:28Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

\lim_{β\to 0} \frac{\sin β}{β} = 1

446K

3x² + 3x + 6 = 0

11t² + 6t + 6 = 0

144K

det| 9 4 ; 1 10 | = 86

371K

∇²t = 0

iħ ∂ψ/∂t = Ĥψ

259K

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

86K

7z² + 2z + 0 = 0

e^{i\pi} + 1 = 0

224K

e^{i\pi} + 1 = 0

234K

F = G m₁m₂ / r²

218K

d/dψ [ψ^7] = 7ψ^6

354K