Software download

Current versions of TERN software are no longer hosted on this Google Sites website.

Please look for current information at the Aerodyne Research Inc. Support / Knowledge Base website. Both registration on the ARI Support site and TERN software download from the ARI website remain free.

For the most recent version of TERN, you can also look here: https://zenodo.org/record/6940761. The Zenodo website provides a permanent link (https://doi.org/10.5281/zenodo.6940761) and can be used as a reference to TERN in any publication. See the TERN Zenodo site for more information.

This software download page is no longer maintained.

All links and downloadable files have been left active for convenience.


The latest version is 2.2.18, released on July 19 , 2019

Download the zip file here: Link

This is a significant update that adds:

    • a new procedure file for TOF file handling

    • a modification of the peak-fitting error handling

    • updates to the user interface.

Please read the release notes for this version for more information.


For users of 2.2.10 and higher, you should over-write to your current directory, but old experiments will need the new procedure included for successful compile.


To start a new TERN experiment, unzip the files and load into a blank Igor template. From the topmost menu, select TERN - Create TERN panel.

For users of Tofwerk Tofs with data saved in the TofDAQ format, a Tofwerk xop is needed to import data from these files. The links below are for zipped folders containing these xops:

Igor 7, Macintosh

Igor 7, Windows

Igor 8 Macintosh

Igor 8 Windows

Users must manually add a shortcut of this downloaded, unzipped folder to their Documents/Wavemetrics/Igor Pro * User Files/Igor Extensions (64-bit) folder and then restart Igor.



Previous Versions:

2.2.17, a bug fix release on June 6, 2019 that includes fixes for templates and handling of HR peak lists for mixed or modified peak lists in Tofware files. Download the zip file here: Link

2.2.16, , a bug release on May 30 , 2019 that includes faster handling of HR peak lists for Tofware files, bug fixes for templates. Download the zip file here: Link

2.2.15, a bug fix release on 29 April , 2019, primarily for HR Tofwerk data. Download the zip file here: Link

2.2.14, a bug fix release on 29 April , 2019, primarily for AMS-style formatted data. Download the zip file here: Link

2.2.13, a bug fix release on 11 April , 2019. Download the zip file here: Link

2.2.12, a bug fix release on , a bug fix release on January 31 ,2019. Download here: Link

2.2.11, a bug fix release on January 18,2019 to the Dec 12, 2018 2.2.10 AGU meeting release. Download here: Link

2.2.10, the Dec 12, 2018 2.2.10 AGU meeting release. Download here: Link