Download of TrigAid 1.5 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. TrigAid for Mac relates to Education Tools.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. You can launch TrigAid on Mac OS X 10.4.0 or later. The most popular version among TrigAid for Mac users is 1.5. The bundle id for this application is com.praetersoftware.trigaid. Commonly, this program's installer has the following filename: TrigAid_macdemo.dmg. This Mac application is an intellectual property of Praeter Software.
From the developer:
TrigAid helps you learn the material by showing you the formula and the correct calculation, AND it helps you save time on your assignments by giving you the correct calculation with just a few keystrokes and a click of the mouse!
You may want to check out more Mac applications, such as Xfoil, DesignWorks Professional or MoonDock, which might be similar to TrigAid.