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Internet Math 1.0 480 math word problems from grades 1-8 are solved over the internet. Problems are solved using pictures with millions of variations. Whole
| | PTracer 2.4 PTracer is a ActiveX Library
for raster to vector conversion in automatic mode | | 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
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