Content License: Creative Commons Attribution 4.0 International (CC-BY-4.0)Credit must be given to the creatorDownloadsMathematic expressionsEuler’s formula is remarkable: eiπ+1=0e^{i\pi} + 1 = 0eiπ+1=0.∂ρ∂t+∇⋅j⃗=0 .\frac{\partial \rho}{\partial t} + \nabla \cdot \vec{j} = 0 \,.∂t∂ρ+∇⋅j=0.(1)Narrative ContentOverride metadata 🧙Executable CodeIntroduction