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 04:07Z

12r² + 6r + 1 = 0

∫₀^∞ e^(-t²) dt = √π / 2

168K

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

446K

∑_{k=1}^{n} k = n(n+1)/2

6x² + 6x + 1 = 0

144K

det| 9 4 ; 1 10 | = 86

371K

4t² + 9t + 6 = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

∇²z = 0

86K

∇²ψ = 0

F = ma

224K

F = G m₁m₂ / r²

234K

2n² + 4n + 0 = 0

218K

iħ ∂ψ/∂t = Ĥψ

354K

det| 8 9 ; 4 9 | = 36

70K