Σ index Rxn set 20 Rxn set 14 Batch 4 Ledger /15 Eq pack 7 Ledger /9 Matrix 17 Matrix 11 Batch 10 Eq pack 13 Batch 22 Ledger /21

Field Notes / Σ /sym/5d0c5f

id=997867 · host=uk.mattivster.me · 2026-08-30 18:46Z

det| 8 2 ; 3 9 | = 66

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

277K

ΔS ≥ 0

306K

∇²t = 0

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

382K

12z² + 1z + 7 = 0

218K

\lim_{x\to 0} \frac{\sin x}{x} = 1

CaCO₃ → CaO + CO₂

201K

CH₄ + 2O₂ → CO₂ + 2H₂O

428K

∫₀^∞ e^(-θ²) dθ = √π / 2

\frac{11}{6} \sum_{i=1}^{n} i^{2}

350K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

141K

iħ ∂ψ/∂t = Ĥψ

3t² + 1t + 5 = 0

21K

iħ ∂ψ/∂t = Ĥψ

∇²γ = 0

CaCO₃ → CaO + CO₂