| blaschkeProd | Calculate Blaschke products |
| jacobiTheta | Jacobi theta function |
| juliaNormal | Julia iteration with a given number of steps |
| mandelbrot | Mandelbrot iteration with a given number of steps |
| phasePortrait | Create phase portraits of complex functions |
| phasePortraitBw | Create two-color phase portraits of complex functions |
| riemannMask | Plot a Riemann sphere mask over a phase portrait |
| vector2String | Convert a vector into a comma-separated string |
| xlimFromYlim | Adjust xlim to ylim |
| ylimFromXlim | Adjust ylim to xlim |