This is version 1 of the production rate calculator (SPRITE) described in Mijjum et al. (2023). Model will calculate scaling factors and exposure ages from 0-70 Ma using a time-varying magnetic field (paleointensity) and latitude (paleolatitude). Code contributions were made by Moshammat Mijjum (@mmijjum), Katie Bristol (@katiebristol katiebristol), and Richard Bono (@rkbono).