This extension allows selecting atoms based on expressions with the usage of NSL-like variables (NSL - Node Specification Language), standard mathematical and logical operations.

Documentation

Please, refer to the Simple Script tutorial for more information, an example for the Atoms Selector is placed in the end of the tutorial.

References

Parsing and evaluation of expressions is done thanks to the C++ Mathematical Expression Parsing And Evaluation Library exprtk by Arash Partow.