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# Reference
Technical reference for the F Prime C++ API, CMake API, FPP language specification and more.
- __C++ Documentation__
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This is the F´ automatically generated documentation for C++.
[View C++ Documentation](./api/cpp/html/index.html){ .md-button .md-button--primary }
- __F´ Components SDDs__
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Software Design Documents (SDD) capture the design of the F´ core components.
Please use the left navigation panel to browse the SDDs.
- __FPP Language Specification__
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This document describes F Prime Prime, also known as FPP or F Double Prime.
[View FPP Language Spec](https://nasa.github.io/fpp/fpp-spec.html){ .md-button .md-button--primary }
- __CMake User API__
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This section of the documentation captures step by step how tos for various F´ development tasks.
[View CMake User API Documentation](./api/cmake/API.md){ .md-button .md-button--primary }