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 00:07Z

∑_{k=1}^{n} k = n(n+1)/2

12θ² + 2θ + 6 = 0

168K

∂x/∂ψ = 6x

446K

3x² + 3x + 6 = 0

10γ² + 8γ + 7 = 0

144K

8ψ² + 7ψ + 0 = 0

371K

∇²t = 0

∇²t = 0

259K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

86K

∑_{k=1}^{n} k = n(n+1)/2

224K

PV = nRT

234K

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

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

iħ ∂ψ/∂t = Ĥψ

70K

det| 1 4 ; 3 2 | = -10

402K