Graphmatica

a powerful, easy-to-use, equation plotter with numerical and calculus features: - Graph Cartesian functions, relations, and inequalities, plus polar, parametric, and ordinary differential equations. - Up to 999 graphs on screen at once. - New data plotting and curve-fitting features. - Numerically solve and graphically display tangent lines and integrals. - Find critical points, solutions to equations, and intersections between Cartesian functions. - Print your graphs or copy to clipboard as bitmap or enhanced metafile in black-and-white or color. - On-line help and demo files make getting up to speed a snap. In summary, a great tool for students and teachers of anything from high-school algebra through college calculus.



Free Graphmatica 0.31 Mb

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Pretty useful tool with handy interface, allowing you to encode WAV, MP3, OGG files and Audio CD(jitter correction, CDDB support) to WMA 9 format with variety of format settings and also performs reverse conversion decode MP3 and OGG files to WAV PCM. You can encode and decode audio files one by one, and use built-in batch process in case of mass conversion. This tool allows you to edit ID3v2 Tags, copy it from one file to another while recoding.

Free Advanced WMA Workshop

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