ScubaPro G2 Tek Scuba Diving ComputerG2 Tek Scuba Diving Computer Overview Designed for technical divers, the G2 Tek dive computer offers all of the great features you love from the G2 Dive Computer with a Gradient Factor algorithm (ZH L16 GF) instead of the Personalized Predictive Multi Gas Bhlmann algorithm (ZH L16 ADT MB PMG). Its easy to read with a choice of four colorful screens and customization options that quickly draws your attention to what you need to know. Its easy to use