The 4.7.1 version of VertiCalculator for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The actual developer of this free software for Mac is VertiCalculator. The program is categorized as Productivity Tools.
From the developer:
VertiCalculator is an application that helps you perform simple and intuitive mathematical calculations. In addition, the utility allows you to add your notes and tasks if desired. Furthermore, you have the ability to search the web with the Yahoo search engine.
You may want to check out more software for Mac, such as PinholeCalc, pearCalc or Truth Tables, which might be similar to VertiCalculator.