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Use external apps on a locked calculator

If your calculator is locked, you can still use external apps using Epsilon's built-in app launcher. No need to unlock your calculator! The biggest limitation is that you can't save your work

Use KhiCAS

KhiCAS is a CAS (Computer Algebra System) that can be used to solve equations, simplify expressions, and much more. It is based on the popular Giac/Xcas engine. With it, you will be able to do much more than with the built-in functions of your calculator

Use exclusive features

With Nwagyu, you can use exclusive features such a video player or an image viewer. You can also use the Lua scripting language to create your own programs