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 04:01Z

12r² + 6r + 1 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

144K

CH₄ + 2O₂ → CO₂ + 2H₂O

371K

4t² + 9t + 6 = 0

det| 9 4 ; 1 10 | = 86

259K

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

86K

∇²ψ = 0

iħ ∂ψ/∂t = Ĥψ

224K

∇²t = 0

234K

F = ma

det| 10 2 ; 3 11 | = 104

218K