Symbol	Description
Nc	Number of circumferential movements
Nc′	Number of circumferential movements with dilutions
Ndil	Number of dilutions
Nr	Number of radial movements
Nr′	Number of radial movements with dilutions
Nrad	Number of radii of the configuration
Nring	Number of rings of the configuration
Np	Number of positions the system must perform
Nwell	Number of wells
${}_{\mathrm{m}}\mathrm{C}_{{\mathrm{n}}_{\mathrm{R}}}$	Number of droplets formed radially
${}_{\mathrm{m}}\mathrm{C}_{{\mathrm{n}}_{\mathrm{R}}}^{\prime }$	Number of droplets formed radially with dilutions
${}_{\mathrm{m}}\mathrm{C}_{{\mathrm{n}}_{\mathrm{C}}}$	Number of droplets formed circumferentially
${}_{\mathrm{m}}\mathrm{C}_{{\mathrm{n}}_{\mathrm{C}}}^{\prime }$	Number of droplets formed circumferentially with dilutions
nCr	Number of droplets without dilutions
nCr′	Number of droplets with dilutions
n	Number of wells on the system
r	Number of combinations
z	Shuttle dispensing direction
R	Radial movements, radial direction
θ	Angular movements