Changes in version 1.1 MetaboCoreUtils 1.1.1 - Add correctRindex function. - Add isotopologue function to group isotopologues in MS spectra. Changes in version 0.99 MetaboCoreUtils 0.99.1 - Add [M+H-2(H2O)]+ adduct definition. MetaboCoreUtils 0.99.0 - Add package vignette and prepare for Bioconductor submission. Changes in version 0.0 MetaboCoreUtils 0.0.3 - Add internalStandards and internalStandardsNames functions. MetaboCoreUtils 0.0.3 - Refactor mass2mz and mz2mass to support calculation of multiple adducts for multiple input values as well as user defined adduct definition. - Add functions adducts to return a data.frame with the (built-in) adduct definitions. MetaboCoreUtils 0.0.2 - Vectorize mass2mz and mz2mass and additional performance improvement. MetaboCoreUtils 0.0.1 - Add utility functions to work with chemical formulas: pasteElements, countElements and standardizeFormula. - Add utility functions to convert between m/z and monoisotopic masses based on provided ion adduct information.