deletions | additions       diff --git a/QUANTUM_SPRESSO_opEn_Source_Package__.tex b/QUANTUM_SPRESSO_opEn_Source_Package__.tex  index 0181664..744bd1e 100644  --- a/QUANTUM_SPRESSO_opEn_Source_Package__.tex  +++ b/QUANTUM_SPRESSO_opEn_Source_Package__.tex 
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QUANTUM SPRESSO (opEn-Source Package (open-source package  for Research research  in Electronic Structure, Simulation, electronic structure, simulation,  and Optimization) optimization)  included code packages that perform electronic-structure calculations and materials modeling at the nanoscale. It works on the basis of density-functional theory, using a Plane-Wave basis set and pseudopotentials.