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 00:59Z

∑_{k=1}^{n} k = n(n+1)/2

N₂ + 3H₂ ⇌ 2NH₃

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

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

144K

11t² + 9t + 7 = 0

371K

∇²t = 0

e^{i\pi} + 1 = 0

259K

∇²β = 0

86K

7z² + 2z + 0 = 0

e^{i\pi} + 1 = 0

224K

ω = 2πf

234K

det| 9 6 ; 0 10 | = 90

218K

E = mc²

354K

det| 7 4 ; 4 8 | = 40

70K

det| 3 6 ; 0 4 | = 12

402K