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Newton's Aquarium 1.0b2 Newton's Aquarium is an interactive physics package that helps students visualize and understand Newton's Law of Universal Gravitation
| | jpg2pdf 2.4 jpg2pdf is a very flexible and powerful program. It can convert a collection of jpeg images into a unique PDF. | | High precision calculator 1.8.1 High precision calculator is an easy-to-use and very powerful skinnable calculator for all people, especially accountants, scientists and
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