Variation Grids: Substitution 21st March 2018Richard Leave a comment I know I’d said I’d do simplifying a ratio first but I got distracted. PDF Here | Editable excel file here Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on Pocket (Opens in new window)Like this:Like Loading... Related
