Mathomatic 15.7.3 - Portable, general-purpose CAS.. (Free)

Mathomatic 15.7.3 - Portable, general-purpose CAS.. (Free):

Mathomatic is a free, portable, general-purpose Computer Algebra System (CAS) that can automatically solve, differentiate, simplify, combine, and compare algebraic equations, perform standard, complex number, modular, and polynomial arithmetic, etc. It does some calculus and is very easy to learn and use. Plotting expressions with gnuplot is also supported (requires gnuplot).

Version 15.7.3:

• Further improved parse_complex(), so simplify works better and the divide command no longer approximates, giving more accurate symbolic answers.
• Combining powers and different denominators that contain absolute values like ((x^2)^.5) is now prevented. This allows correct simplification and solving when dealing with absolute values. Tested with the Batman equations, which, when plotted display the Batman logo ("tests/batman_plot").
• Moved place where 1/i is converted to -i to within the complex number division handler, making complex number results more consistent and correct.
• Changed the chief author's main email address to "gesslein@mathomatic.org". The old linux.com email address didn't seem to work, reliability issues, etc.
• Combining different denominators that contain the imaginary unit (i) is now prevented. This prevents getting different answers after simplifying a complicated complex number expression.
• All copyright dates updated to include the new year 2012. Happy New Year everybody! "set html" in the library now allows pretty HTML output with redirected output and with 2D library result string expression output ("set display2d" or display command). Still no color HTML output for the library.
• Improvement to simplification made, less unnecessary divisions and prettier results of the simplify command. Needs testing.
• Added color HTML output for redirected output when using the symbolic math library.
• Increased the size of icons/mathomatic.png to 64x64 and made it look nicer. This is the new, resizeable Mathomatic logo: icons/mathomatic.svg.
• Published makenews.sh script to make the NEWS file out of the changes.txt file.
• Added tests/demo and tests/demo_sub, to run specific scripts, and create complete HTML output files from them. These are used to create the examples on the Mathomatic website.

Mac OS X 10.4 or later

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