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 00:19Z

∑_{k=1}^{n} k = n(n+1)/2

d/dt [t^3] = 3t^2

168K

PV = nRT

446K

3x² + 3x + 6 = 0

det| 9 4 ; 1 10 | = 86

144K

6n² + 7n + 6 = 0

371K

∇²t = 0

det| 7 7 ; 4 8 | = 28

259K

e^{i\pi} + 1 = 0

86K

7z² + 2z + 0 = 0

\frac{4}{9} \sum_{i=1}^{n} i^{2}

224K

PV = nRT

234K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

9ψ² + 7ψ + 3 = 0

70K