# REDUCE/Symbolic Scripts
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## by Dieter (*Olli*) Egger
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### Script Descriptions
- Solving equations: `algebra.txt`
- Analyzing functions: `analyze.red`
- Decide on the function to be analyzed, for example `"f:=x**3 - 2*x**2;"`
- Properties: `boolean.txt`
- Analysis: `calculus.txt`
- Physical constants: establish definitions: constants.red; delete definitions: `clear_constants.red`
- Sine, cosine, tangent: `example01.red`
- Binomials, trigonometry, computational accuracy: `example02.red`
- Simple function analysis: `example03.red`
- Simple derivatives: `example04.red`
- Binomials, rules: `example05.red`
- Nested parentheses: `heron.txt`
- Hypergeometry and MeijerG: `hypermeijerg.txt`
- Without LaTeX formatting OK.
- Integration, limits: `integLimit.red`
- Integration: `integral.txt`
- Introduction: `introReduce.txt`
- Linear algebra: `linalg.txt`
- Matrix inversion: `mat.red`
- Computation of space-time metrics
- Metric-tensor from the equation of the hypersurface of a hypersphere, 2-dim: `metric2calc.red`, 3-dim: `metric3calc.red`, 4-dim: `metric4calc.red`
- Riemann, Ricci, Einstein tensors and solution of the field equations, 2-dim: `metric2d.red`, 3-dim: `metric3d.red`, 4-dim: `metric4d.red`
- Dynamic variable names: `mkid.txt`
- Partial fractions: `partialFraction.txt`
- Energy of a photon (requires `constants.red` and `clear_constants.red`): `photonenergy.txt`
- Prefix operators: `prefix.txt`
- Programming: `programming.txt`
- Simple rules: `rules.red`
- Definition of a function: `scalprod.red`
- Speed of light: `speedoflight.txt`
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### Availability
- [English Homepage](https://reduce-algebra.sourceforge.io/tutorials/EggerScripts.en.php) (*English*)
- [German Homepage](https://reduce-algebra.sourceforge.io/tutorials/EggerScripts.php) (*German*)
- [GitHub Mirror](https://github.com/reduce-algebra/olli-scripts)
- [SourceHut Mirror](https://git.sr.ht/~trn/olli-scripts)
- [NotABug Mirror](https://notabug.org/reduce-algebra/olli-scripts)
- [Chisel Mirror](https://chiselapp.com/user/reduce-algebra/repository/olli-scripts/)
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### Author
- [DL2MIE](https://dl2mie.darc.de/) - Dieter (*Olli*) Egger's Homepage
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### Other Links
- [Symbolic](https://play.google.com/store/apps/details?id=de.dieteregger.symbolic) - **REDUCE** for Android
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