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This bi-lingual program offers 38558 algebraic equations with detailed solutions. Problems vary in difficulty from simple linear equations to cubic, biquadratic, high degree and complex fractional equations. Solution methods include substitution, grouping, factoring, application of Besout theorem and more. Each step of solution or proof is provided with comprehensive explaining material available in two languages. You can observe the solution course, study solution methods, learn related concepts, observe proofs of used theorems and formulas and learn mathematical lexicon in a foreign language. Special teacher's options allow developing quizes, tests of varied complexity, worksheets, lesson plans and generating 20 variant tests on the basis of a constructed example. A large number of tests are already prepared. Viewing and saving solutions in MathML format is available. This program is meant for teachers and students of regular and Montessori schools, for self-education and distant learning. Available is free fully functional version of this program.
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This bi-lingual program offers 54800 weak and strong algebraic inequalities. Problems vary in difficulty from simple to extra difficult, such as complex fractional inequalities. Applied solution methods include substitution, grouping, factoring, method of intervals and more. Each step of solution is provided with comprehensive explaining material available in two languages. You can observe the solution course, study solution methods, learn related concepts, observe proofs of used theorems and formulas and learn mathematical lexicon in a foreign language. Special teacher's options allow developing quizes, tests of varied complexity, worksheets, lesson plans and generating 30 variant tests on the basis of a constructed example. A selection of tests is already prepared. Viewing and saving solutions in MathML format is available. This program is meant for teachers and students of regular and Montessori schools, for self-education and distant learning. Available is free fully functional version of this program.
software math mathematics algebra algebraic inequalities didactic materials variant tests lesson plans teacher training student
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This bi-lingual program offers 168767 trigonometric problems with detailed solutions. Considered are all trigonometric functions; problems vary from simple to extra difficult. Included are computational problems, transformation and evaluation of expressions, proofs of identities and solutions of equations. Each step of solution or proof is provided with comprehensive explaining material available in two languages. You can observe the solution course, study solution methods, learn related concepts, observe proofs of used theorems and formulas and learn mathematical lexicon in a foreign language. Special teacher's options allow developing didactic materials, quizes, tests of varied complexity, lesson plans and generating 20 variant tests on the basis of a constructed example. A selection of tests is already prepared. Viewing and saving solutions in MathML format is available. This program is meant for teachers and students of regular and Montessori schools, for self-education and distant learning. Available is free fully functional version of this program.
software math mathematics trigonometry trigonometric equations didactic materials variant tests lesson plans teacher training student
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The bi-lingual program offers 48630 trigonometric equations with detailed solutions. Considered are all trigonometric functions. Equations vary from simple to extra difficult. Solution methods include substitution, grouping, factoring and more, with a particular emphasis on application of trig formulas. Each step of solution is provided with comprehensive explaining material available in two languages. A student can observe the solution course, study solution methods, learn related concepts, observe proofs of used theorems and formulas and learn mathematical lexicon in a foreign language. Special teacher's options allow developing didactic materials, quizes, tests of varied complexity, lesson plans and generating 20 variant tests on the basis of a constructed example. A large number of tests are already prepared. Viewing and saving solutions in MathML format is available. This program is meant for teachers and students of regular and Montessori schools, for self-education and distant learning. Available is free fully functional version of this program.
software math mathematics trigonometry trigonometric equations didactic materials variant tests lesson plans teacher training student
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The Distant Suns-Grand Tour 3D screen saver is a high-speed full motion solar-system simulator using OpenGL technology and accelerated graphics. The positions and rotations of each of the planets and their moons are accurate to the current date and time! (As a result, this can also serve as a real-time clock.) As the day progresses you can observe the Great Red Spot of Jupiter as it wheels across the face of the giant planet. Watch the moons of Saturn in their daily dance around the majestic ringed world or the Earth rotate under your feet. The constantly changing scenes assure and infinite variety of interplanetary vistas. Rated 4 stars by PC Mag (June 8, 2004)
solar-system space screensaver opengl simulator astronomy mars planets full-motion solar-system flight
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Motherplanet Earth Explorer integrates high-resolution satellite imagery (1km resolution) with kinds of map layers such as political boundaries, coastlines, rivers, lake and island boundaries, 267 countries and regions, 40000+ ranked cities, 15000+ islands, and 1700+ noteworthy historical earthquakes since 1980 into a fantastic 3D earth globe. You can specify what kinds of map layers to be shown, rotate the globe, click right mouse button and pull/push to zoom in/out the current map view, measure distance between any two points on the map, etc.
Key features:
1. A 3D bird's-eye view of our beautiful earth;
2. Photo-realistic satellite imagery at 1km resolution covered entire earth globe;
3. Integrates with several kinds of map layers:
Vector map layers:
1) Political boundaries (International boundaries and internal boundaries);
2) Coastlines, lakes, islands and rivers;
3) Longitude-latitude grids;
Point map layers:
1) 267 countries/regions and detailed information;
2) 40000+ ranked cities and information;
3) 15000+ Islands and information;
4) 1700+ noteworthy historical earthquakes since 1980 and detailed information;
4. Rotate/Zoom in/Zoom out functions lets you observe our beautiful planet at any point (Click right mouse button and pull/push to zoom in/out the current map);
5. Three kinds of operation modes (Drag, Center, Measure);
6. Measure distance between any two points on the globe;
7. Intelligent tips when your mouse moves upon a country/city/island/earthquake's mark or name label;
8. Sort country/city/island/earthquake table according to selected titles and interactive operate with the label and mark on the map;
9. Save favorite maps with BMP, JPEG formats;
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JPEG Imager is an interactive image compressor. It provides a real-time preview of a compressed image and handy means to compare it with original one. You can fiddle with various compression parameters and observe the effect of changes almost instantly. You can also specify a desired file size and let the program select the proper value of the quality parameter automatically. In short, JPEG Imager is perfect for Quality vs. File Size optimization. It may prove to be very useful if you need to optimize your images for publishing in the Web. Speaking about other features, JPEG Imager includes a set of basic image manipulation and enhancing operations such as Resample (resize), Crop, Rotation, Gamma correction, Levels adjustment and so on. There is also a cleaning tool for noise removing and, of course, the TWAIN support for image acquisition from scanners and digital cams. Working with JPEG Imager you can acquire, enhance and optimize your images not having to use any other programs. Besides, JPEG Imager has a simple built-in batch processor and thumbnail generator.
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