Perform basic and advanced calculation in the RPN-based calculation program. Execute multiple active calculators, each with separate programs and data contents for multi-process data management. Inspect all components of an equation and check for errors.
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
v1.7 [Oct 14, 2022]
Fixed the notorious crash when selecting "Show registers" caused by the deprecated window drawer interface.
Redesigned the buttons to better reflect the color scheme of the HP-67 calculator.
Added support for dark mode on macOS versions that support it.
Expanded the help files to reference information on the original HP-67, as well as expanding the descriptions on some of the LXVII specific features.
