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Mathcad lets you do math like you were sitting at a desk with pencil and paper, but it costs $500. SMath lets you do the same thing and is free, and now it has an integrated math reference book.
Among SMath's capabilities are:
- Solving differential equations
- Graphing functions in two or three dimensions
- Symbolic calculations including solving systems of equations
- matrix operations including determinants
- Finding roots of polynomials and functions
- Symbolic and numeric differentiation of functions
- Numeric integration
- Simple multiline looped programs
- User defined functions
Simple. Powerful. Free. Unbeatable.
For more information, here is the PDF Introduction to the use of SMath Studio. If you want to try it, the latest version is 0.85, and you can download it here.
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