- Source: Polymorphic Programming Language
- Kotlin (bahasa pemrograman)
- Penghargaan Turing
- Polymorphic Programming Language
- Polymorphism (computer science)
- Timeline of programming languages
- APL (programming language)
- ML (programming language)
- PPL
- Functional programming
- ABC (programming language)
- History of programming languages
- Mercury (programming language)
The Polymorphic Programming Language (PPL) was developed in 1969 at Harvard University by Thomas A. Standish. It is an interactive, extensible language with a base language similar to the language APL.
The assignment operator <- (or ←) has influenced the language S.