There are a number of approaches to performing computations involving real numbers using a computer. These include:

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- Floating point arithmetic
- Floating point arithmetic with error analysis
- Interval arithmetic
- Stochastic Rounding
- Symbolic manipulation
- Exact Real Arithmetic

- Floating Point Arithmetic
- Floating Point arithmetic with error analysis
- Interval Arithmetic
- Stochastic Rounding
- Symbolic Approaches
- Exact Real Arithmetic