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 00:03Z

∑_{k=1}^{n} k = n(n+1)/2

d/dx [x^3] = 3x^2

168K

e^{i\pi} + 1 = 0

446K

3x² + 3x + 6 = 0

12γ² + 2γ + 5 = 0

144K

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

371K

∇²t = 0

PV = nRT

259K

\frac{10}{3} \sum_{i=1}^{n} i^{2}

86K

7z² + 2z + 0 = 0

iħ ∂ψ/∂t = Ĥψ

224K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

234K

det| 4 2 ; 5 5 | = 10

1θ² + 2θ + 6 = 0

218K

PV = nRT

354K

2H₂ + O₂ → 2H₂O