RadioWORKS: A tool for calculating radio wave properties. Get frequency info, such as free-space wavelength, antenna lengths, band info, propagation methods, etc. Calculate path loss using different models. Predict power / range requirement changes.

In each square put numbers until the total for the row is equal to the value next to the row.

Pass MCSE exam 70-290 in first attempt. 542 questions with detailed explanation and 131 study notes. 70-290 - Microsoft Windows Server 2003 Env study notes, articles and mock test. 99% pass rate, 100% money back guarantee. Based on latest Microsoft

Pass MCSE exam 70-293 in first attempt. 335 questions with detailed explanation and 121 study notes. 70-293 - Windows Server 2003 Network Plan. study notes, articles and mock test. 99% pass rate, 100% money back guarantee. Based on latest Microsoft

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Pass MCSE-2003 Security exam 70-227 in first attempt. 200 questions with detailed explanation and 67 study notes. 70-227 - Internet Security and Acceleration (ISA) Server study notes, articles and mock test. 99% pass rate, 100% money back guarantee.

Rapid-Pi is an add-on for Microsoft Word (and other word processors) that provides a new, fast way to enter mathematical formulas, equations and expressions into documents. Rapid-Pi's text-based input is a simply faster way to input math.

3D Topicscape SE can help you organize your notes and study material, have fun, and help you learn at the same time. Save Web pages in a background queue as you research. Supports FreeMind and text import and export. Export a file to text or HTML.

Lex is an efficient language learning tool for working on authentic material on the web. With Lex you can easily look up words, listen to pronunciations, highlight words and make gap filling exercises. Furthermore you can build up your own glossary.

WordBanker is a unique and fun method of helping you to learn a foreign language. Rather than bog you down with complicated grammar it deals only with building a vocabulary.