Writer and Penciller credit confirmed from the credits in World of Archie Double Digest (Archie, 2010 series) #93.
number puzzle using a calculator
Credits from the reprint in B&V Friends Double Digest Magazine (Archie, 2011 series) #262.
two daily strips from the Archie syndicated comic (dates unknown)
When reprinted in Archie's Funhouse Double Digest (Archie, 2014 series) #6, inks are credited to Rudy Lapick and letters are credited to Bill Yoshida.
Letters submitted by Rene Rodriguez; David Fitzhugh