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Native Apps

Executables (64-bit) for Windows and Macintosh computers are available for all of our older projects (NAAP, ClassAction, & Ranking Tasks). The appropriate package for your (or your student's) computer system must be downloaded and installed locally. Note that these are actual applications that run in your native OS and their longevity depends only upon your OS. There is no similar viable solution for Chromebooks or 32-bit machines.

Note that every simulation available in the past on this site is contained in either the ClassAction or NAAP Labs native app. (In ClassAction look under the Animations tab.) The following guide to content is provided to assist you in navigating.

Windows Executables

ClassAction - v2.3.msi 97.4 MB January 30, 2020
NAAP Labs - v1.1.msi 22.4 MB January 30, 2020
Interactives - v1.1.msi 46.7 MB January 30, 2020

MacOS Executables

ClassAction - v2.3.pkg 97.1 MB January 30, 2020
NAAP Labs - v1.1.pkg 22.4 MB January 30, 2020
Interactives - v1.1.pkg 46.2 MB January 30, 2020

Videos on Installing Executables

For Windows


Direct link to the .mp4 file (8 Mb, 2.0 minutes).

For Macintosh


Direct link to the .mp4 file (4 Mb, 0.75 minutes).