GIS software encompasses a broad range of applications which involve the use of a combination of digital maps and georeferenced data. GIS software can be sorted into different categories. MINEQL+ is a powerful and easy- to- use chemical equilibrium modeling system that can be used to perform calculations on low temperature ( 0- 50oC), low to moderate ionic strength ( 0.
5 M) aqueous systems. MINEQL+ is a data driven program, so you do NO programming.