Calendar Mine is the only calendar that you need, providing accurate date information starting in 1583 up until year 2500. It is a perpetual, theme based, multicultural, personal desktop calendar with the beauty of a wall calendar. Vextractor is a vectorizer tool for transforming raster images into vector formats by building centerlines and outlines. This tool could be used for vectorizing of charts, maps, schemes and other similar images for input to CAD & GIS systems. AllTrans can be used for world wide professional coordinate transformations between international and national coordinate systems. It is clearly arranged and easy to use. Vectorizer. Transforms raster images into a vector format. Raster drawing can be imported by scanning original paper drawings. The target vector formats are understood by most common CAD programs that use vector graphics (AutoCAD, Corel Draw etc.). TraceART transform any raster images into a vector format.vectorizer, which can high-speed convert raster bitmap into vector image. it supports such all kinds of image format as BMP,JPG,TGA,TIF,PCX etc. Curve fitting (fit), nonlinear regression, treatment of data, basic statistics, error propagation, 2D and 3D graphs, confidence band, uncertainty, error bars, extrapolation, chi-square, correlation coefficient tests, covariance matrix, math tools. Draw a pattern from scratch, open an existing PAT file or import from hatch pattern collection files, DXF or HPGL. Save your pattern to a PAT file ready for use by AutoCAD®, AutoCAD LT®, Revit®, IntelliCAD® and other design or mapping tools. Source.