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## Features of Asir

As mentioned in the previous section, Asir is a standard language interface forRisa's algebraic engine. Usually, it is provided as an executable file named `asir`. Main features supported for the current version of Asir is as follows.

- A C-like programming language
- Arithmetic operations (addition, subtraction, multiplication and division) on numbers, polynomials and rational expressions
- Operations on vectors and matrices
- List processing operations at the minimum
- Several Built-in functions (factorization, GCD computation, Groebner basis computation etc.)
- Useful user defined functions(e.g., factorization over algebraic number fields)
- A `dbx`-like debugger
- Plotting of implicit functions
- Numerical evaluation of mathematical expressions including elementary transcendental functions at arbitrary precision. This feature is in force only if PARI system (see section `pari`).
- Distributed computation over UNIX

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