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 00:51Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

5z² + 8z + 3 = 0

446K

3x² + 3x + 6 = 0

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

144K

8ψ² + 7ψ + 0 = 0

371K

∇²t = 0

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

259K

∂α/∂r = 8α

86K

7z² + 2z + 0 = 0

AgNO₃ + NaCl → AgCl↓ + NaNO₃

224K

det| 9 6 ; 0 10 | = 90

234K

∇ × E = −∂B/∂t

218K

det| 5 3 ; 7 6 | = 9

354K