Mathtype: 6.9b

| Newer Option | Advantages | Compatibility | |-------------|------------|----------------| | MathType 7.4+ | Office 365, macOS, Unicode, handwriting, cloud storage | Full backward compatibility with 6.9b .eqn/.doc | | MathType (subscription) | Cross-platform, collaborative | New file format, but can import 6.9b equations | | LibreOffice + native formula editor | Free, open, ODF standard | Cannot directly edit old MathType OLE objects | | IguanaTeX (for PowerPoint) | Free, uses LaTeX | No legacy .eqn support |