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 14:39Z

F = ma

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

168K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

446K

det| 1 7 ; 6 2 | = -40

∑_{k=1}^{n} k = n(n+1)/2

144K

det| 7 4 ; 4 8 | = 40

371K

CaCO₃ → CaO + CO₂

N₂ + 3H₂ ⇌ 2NH₃

259K

2n² + 4n + 0 = 0

86K

6n² + 1n + 6 = 0

∂y/∂γ = 8y

224K

iħ ∂ψ/∂t = Ĥψ

234K

N₂ + 3H₂ ⇌ 2NH₃

218K

d/dθ [θ^3] = 3θ^2

354K

∑_{k=1}^{n} k = n(n+1)/2

70K