Tynemouth Software: Five years of the Minstrel 3,Hitachi ZX26 U-6 CR 2.7t Mini Excavator,HITACHI ZX26 U-5A Mini Excavator,Hitachi ZX130-7,C Programming on Sinclair ZX Machines - Generating a Mandelbrot set fractal in C for the ZX80, ZX81 and ZX Spectrum vintage computers with Z88DK