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

9θ² + 7θ + 4 = 0

168K

9ψ² + 7ψ + 3 = 0

446K

3x² + 3x + 6 = 0

e^{i\pi} + 1 = 0

144K

det| 11 9 ; 0 12 | = 132

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

6x² + 6x + 1 = 0

86K

7z² + 2z + 0 = 0

det| 7 4 ; 4 8 | = 40

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

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

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

N₂ + 3H₂ ⇌ 2NH₃

70K