LXVII 1.7.4 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The following versions: 1.5 and 1.1 are the most frequently downloaded ones by the program users.
The actual developer of this free software for Mac is Tamburri Computer Services. 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. The default filename for the application's installer is LXVII-1.1.2.dmg. The software is included in Education Tools. The unique identifier for this app's bundle is com.electricslab.lxvii.
From the developer:
LXVII (pronounced "67") is a faithful simulation of the Hewlett-Packard HP-67 calculator for Mac OS X. Among its many features are:
- The ability to have multiple calculators and programs running at once.
- A live display of all stack, memory and program registers.
- A separate paper tape window
- Customizable display colors
- and many more
You may want to check out more software for Mac, such as FreeMat, gephi or iSurf BrainView, which might be related to LXVII.