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 00:12Z

∑_{k=1}^{n} k = n(n+1)/2

\frac{8}{7} \sum_{i=1}^{n} i^{2}

168K

F = G m₁m₂ / r²

446K

3x² + 3x + 6 = 0

det| 9 4 ; 1 10 | = 86

144K

det| 10 3 ; 4 11 | = 98

371K

∇²t = 0

iħ ∂ψ/∂t = Ĥψ

259K

det| 11 5 ; 0 12 | = 132

86K

4t² + 3t + 3 = 0

224K

det| 1 4 ; 3 2 | = -10

234K

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

218K

det| 4 2 ; 6 5 | = 8

354K

∑_{k=1}^{n} k = n(n+1)/2

70K