Mathomatic 15.7.3 freeware    

Author George Gesslein II OS WinXP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64 Date Released February 13, 2012 Downloads 3164 Filesize 266 kB Keywords math calculator, math equation, math function, math, calculator, equation Your Rating   - click to rate

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Mathomatic™ is a portable, command-line computer algebra system (CAS) written entirely in the C programming language. It is free and open source software (FOSS), published under the GNU Lesser General Public License (LGPL version 2.1). The software can automatically solve, differentiate, simplify, combine, and compare algebraic equations, perform standard, complex number, and polynomial arithmetic, etc. ...

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Mathomatic freeware - The Latest Versions History

Version	Date Released	Status	Release Notes
15.7.3	Feb 13, 2012	New Release	· 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 · 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!
15.7.2	Dec 13, 2011	Minor Update	Lots of new testing and debugging code to prevent future problems, some bugfixes and many enhancements.
15.7.1	Nov 18, 2011	Minor Update	Lots of new testing and debugging code to prevent future problems, some bugfixes and enhancements.
15.7.0	Nov 7, 2011	New Release	· Allow an equation-number-range to be specified on the calculate command command-line, so that multiple equation spaces can be calculated automatically with a single command. · Improved nintegrate command results. nintegrate of cos(sin(x+1)) wrt x from 0 to 1 now always gives the correct simplified result. · Rewrote to allow specifying lower and upper bounds on command line. · Divide command improved: Allow specifying the dividend and divisor on the command line. Other minor fixes. · The Mathomatic command "plot x^2" works now, Mathomatic automatically replaces all ^ with ** on the plot command line. · Added compilation option -fexceptions to CFLAGS in the Mathomatic application and library makefiles and build scripts. May be why exception handling wasn't working well in the past. · Fixed the display command in the symbolic math library to respond to "set columns=number" to cut-off the 2D expression output string at the number column, instead of always 80 columns.
15.6.4	Sep 26, 2011	New Release	· Added file misc/known_bugs.txt, which is the current list of known bugs in Mathomatic. · Added file tests/quadratic.in, just a script that solves the general quadratic equation. · Fixed error messaging to not always give command usage information when a command fails or gives a negative result. Now only gives command usage info when helpful, like when something on the command line is incorrect. · Fixed the Mathomatic derivative command to not fail with a helpful · error message when the derivative is zero. Now it just gives a warning message along with the successful result of the constant zero. · Mathomatic no longer compiles correctly with the latest Xcode gcc, due to a bug in Apple's gcc optimizer. Either turn the optimizer completely off when compiling with Xcode, or use the gcc provided by MacPorts. Xcode version 3.x and other non-Apple C compilers will work fine. All mention of Xcode has been removed from the Mathomatic distribution.
15.6.3	Aug 8, 2011	New Release	· Added file misc/known_bugs.txt, which is the current list of known bugs in Mathomatic. · Added file tests/quadratic.in, just a script that solves the general quadratic equation. · Fixed error messaging to not always give command usage information when a command fails or gives a negative result. Now only gives command usage info when helpful, like when something on the command line is incorrect. · Fixed the Mathomatic derivative command to not fail with a helpful · error message when the derivative is zero. Now it just gives a warning message along with the successful result of the constant zero. · Mathomatic no longer compiles correctly with the latest Xcode gcc, due to a bug in Apple's gcc optimizer. Either turn the optimizer completely off when compiling with Xcode, or use the gcc provided by MacPorts. Xcode version 3.x and other non-Apple C compilers will work fine. All mention of Xcode has been removed from the Mathomatic distribution.
15.6.2	Jun 13, 2011	New Release	· Corrected datadir variable usage in the main Mathomatic makefile. Directly importing datadir could have catastrophically deleted the entire /usr/share directory with "make uninstall". · Added proper compilation option (WIN32_CONSOLE_COLORS) for color mode in MinGW, in case use with mintty.exe is desired.
15.6.1	Jun 7, 2011	New Release	· The "factor number" command now allows number ranges, in addition · to integers and integer expressions. · Install "m4functions.m4" to proper directory (usrsharemathomaticm4). · The "m4" directory is no longer installed to the system doc directory. · The matho-primes utility can now be run from within Mathomatic by typing · "list primes". Put any arguments you want to pass to matho-primes on the · "list primes" command line. Redirection doesn't work yet for this, so it · remains undocumented. · Added NOGAMMA compile-time define, which makes the factorial function integer only, if desired. · Added color mode to the MinGW Windows version of Mathomatic. Tested in cmd.exe, command.com, and CygWin. · The new color mode does not work in mintty.exe. · Allow defining SILENT=0 when compiling the symbolic math library, so that "set debug level" works and normal Mathomatic debugging works within the library code. Thanks to Doug Snead for suggesting this.
15.6.0	May 2, 2011	New Release	· Created m4 Mathomatic input file "tests/trig". Lists all trig and hypertrig functions, allowing testing of their simplification and manipulation. · Sped up polynomial operations to be another 30 times faster in some cases. Finished and cleaned up the polynomial factoring and division C code. Thanks again to Kingsley G. Morse Jr. for showing me this needed to be done. · The "simplify quick" command was changed to not combine unlike denominators, making it much more useful, doing better simplification than any other simplify option sometimes. · The tally command now returns the ending total and sets it as the current equation. Fixed an old bug just discovered today where expressions like x - y)*(x^99 - y^99) were being factored into something huge with the simplify and fraction commands, which are the only commands that do polynomial factoring. · Improved coloring scheme: all prompt and normal text is now the
15.5.3	Apr 21, 2011	New Release	· The exit status of Mathomatic now shows any errors when run with the e option. So if a command fails, it exits to the OS with the exit status 1. Exit status is 0 if everything went OK. Also works without the -e option, when files are specified on the shell command line. An error will abort the script, returning you to the operating system with an exit status of 1. · Changed makefile to allow installing m4 Mathomatic without installing the documentation. Use "sudo make bininstall matho-rmath-install" to install m4 Mathomatic executables and man pages. Then "sudo make docinstall" installs all documentation. · The rmath man page math function and constant lists have been corrected · and the rmath man page has been added to the main user documentation. · Output of universal constants is now prettier when displaying. No more i#, e#, and pi#, they are displayed as they are entered: i, e, and pi. HTML mode displays the small Greek letter pi for pi.