Mathomatic 15.8.4 freeware    

Author George Gesslein II OS WinXP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64 Date Released May 20, 2012 Downloads 3307 Filesize 266 kB Keywords math calculator, math equation, math function, math, calculator, equation Your Rating   - click to rate

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... 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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Code source - Mathomatic freeware - The Latest Versions History

Version	Date Released	Status	Release Notes
15.8.4	May 20, 2012	New Release	· Added simplifying trig identities to the tests. Discovere "solve 0" doesn't work anymore, use "solve for 0" instead. "solve 0" will be fixed and enhanced shortly.
15.8.3	May 8, 2012	New Release	· Added simplifying trig identities to the tests. Discovere "solve 0" doesn't work anymore, use "solve for 0" instead. "solve 0" will be fixed and enhanced shortly. · Added Heron's formula (calculates the area of any triangle, given all three side lengths) to the "help geometry" command. Mathomatic can solve for any side length, too. · "make uninstall" is now passing the current "prefix" (the directory being operated on, like "/usr") to the lib and primes uninstall. · Added noisy compile-time warning if DBL_DIG is not 15, and display it as digits precision in the version command. · Removed "no right_associative_power" from set options listing, now only lists "right_associative_power" if it is set. A very unimportant and rarely used option that was just taking up display space.
15.8.2	Mar 26, 2012	New Release	· All makefiles corrected to fix the following problem: Removed -Cv option from the install command, so that installing Mathomatic under NetBSD works without a hitch. The "install -Cv" option is not supported under some operating systems, so compiling and installing Mathomatic will now be easier on those systems. · Added Heron's formula (calculates the area of any triangle, given all three side lengths) to the "help geometry" command. Mathomatic can solve for any side length, too. · "make uninstall" is now passing the current "prefix" (the directory being operated on, like "/usr") to the lib and primes uninstall. · Added noisy compile-time warning if DBL_DIG is not 15, and display it as digits precision in the version command. · Removed "no right_associative_power" from set options listing, now only lists "right_associative_power" if it is set. A very unimportant and rarely used option that was just taking up display space.
15.8.1	Mar 14, 2012	New Release	· All makefiles corrected to fix the following problem: Removed -Cv option from the install command, so that installing Mathomatic under NetBSD works without a hitch. The "install -Cv" option is not supported under some operating systems, so compiling and installing Mathomatic will now be easier on those systems. · Added Heron's formula (calculates the area of any triangle, given all three side lengths) to the "help geometry" command. Mathomatic can solve for any side length, too. · "make uninstall" is now passing the current "prefix" (the directory being operated on, like "/usr") to the lib and primes uninstall. · Added noisy compile-time warning if DBL_DIG is not 15, and display it as digits precision in the version command. · Removed "no right_associative_power" from set options listing, now only lists "right_associative_power" if it is set. A very unimportant and rarely used option that was just taking up display space.
15.8.0	Mar 12, 2012	New Release	· Added some important missing documentation, and the makefiles were fixed · Some scary messages explained to make them less scary · All makefiles corrected to fix the following problem · Removed -Cv option from the install command, so that installing · Mathomatic under NetBSD works without a hitch. The "install -Cv" option is not supported under some operating systems, so compiling and installing Mathomatic will now be easier on those systems · Added Heron's formula (calculates the area of any triangle, given · all three side lengths) to the "help geometry" command. Mathomatic · can solve for any side length, too. See "tests/heron.in" for some · proofs · "make uninstall" is now passing the current "prefix" (the directory being operated on, like "/usr") to the lib and primes uninstall · Added noisy compile-time warning if DBL_DIG is not 15, and display it as digits precision in the version command
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.