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1.5.5

Check your sums

Computers use checksums to check for data transmission errors; basically, they count the bits in a block of data and compare the number to a previously generated sum. If the two match, all is well; if not, something's gone wrong and it's time to look for data errors. Checksum verifiers are handy utilities that can scan software to verify its integrity. Marxio File Checksum Verifier calculates and verifies the checksums of programs downloaded from the Internet. It's free, compact, and portable, making it especially useful to system administrators and others who manage more than one machine.

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ActiveX-tra

AsdGraph3D Pro Excel Addin gives you the capability to create three-dimensional graphs with data from Excel spreadsheets. These 3D graphs can also plot ActiveX controls that can be used in programs such as Microsoft Office and Internet Explorer.

The 3D graphs this add-in produces aren't flashy and would be best used for programming purposes rather than for design or illustrations. Graphic design experience left us unimpressed with the look of the graphs that the program produces; however, from a programming perspective, they're quite sufficient. There's a good built-in Help file that explains the program's controls and … Read more