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Though there’s no single help file, a tutorial on various forms of math (SMath for Physics) is available from the SMath site and is enough to get most users up and running. Users have said the program’s user interface resembles that of graphing calculators of yesteryear. Like MathCad, it can solve differential equations, graph functions in two or three dimensions, do symbolic calculations (like X + Y = Z) as well as solve systems of symbolic equations and do symbolic differentiation, do matrix operations as well as find determinants, find roots of polynomials and functions, do numeric differentiation and integration, execute simple multiline looped programs, and handle user-defined functions. Some example problems worked out in the WYSIWYG SMath program.Initially released in 2006, SMath is available for Windows, Linux, iOS, Android, the Universal Windows Platform, and on some handhelds. SMath knows enough to automatically convert the differing units so Z is consistent with them. For example, suppose you ask the program to solve X + Y = Z and tell it that X is in feet while Y is in meters. As do other packages in this category, SMath keeps track of units. Users say it behaves much like older generations of MathCad.
A single seat of Maple or Maple Flow costs about $2,400.Īmong the free alternatives with features resembling those of these commercial packages is SMath Studio.
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First released in 1986, the most recent version of MathCad is called MathCad Prime and is now available via subscription with a commercial license typically running around $700 annually. The motivation for these open-source programs seems to be the desire for low-cost alternatives to established math packages such as MathCad, Maple, and Maple Flow.
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In many packages, equations are live-linked in a manner resembling that of a spreadsheet so their values update when something changes.Īnd happily, many such engineering software packages are now available for free or nearly so. Generally, software users can add equations, text, and images in a freeform manner. That’s because this kind of software frequently supports all measurement units, allowing English and metric units to be mixed in equations without fear. If engineers working on the Orbiter had access to today’s software for engineering math, the spacecraft might still be happily orbiting the Red Planet. NASA had used metric units while spacecraft builder Lockheed Martin had used English units. What caught the public’s attention wasn’t so much the failed mission as the cause of the failure: An investigation found a measurement mismatch between two software systems. The Mars Climate Orbiter made headlines back in 1999 when it approached Mars on a trajectory bringing it too close to the planet and wound up either destroyed in the Mars atmosphere or orbiting the Sun.
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Support for 8,16, 32, and 64 bit integer types (signed and unsigned), 32 and 64 bit floating point types, and 64 and 128 bit complex types.N-dimensional array manipulation (by default, N is limited to 6).It is similar to commercial systems such as MATLAB from Mathworks, and IDL from Research Systems, but is Open Source. FreeMat is a free environment for rapid engineering and scientific prototyping and data processing.
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