Education / Reference Tools

Perfect companion for working with regular expressions. Easily create and clearly understand regex patterns. Test any regex on sample strings and files. Use the regex with automatic source code snippets. Collect regex libraries for future use.

Your school, college or university can drastically cut costs and be environmentally friendly by offering students electronic textbooks, manuals and syllabi in HTML, CHM, PDF or EXE formats, on and off line. Find out how with this free trial version.

Buckingham Palace is one of the world's most recognisable buildings, yet few people have visited the magnificent interior. This virtual tour gives you that opportunity. See the State, Semi State and Private Apartments of the Palace.

Learning the alphabet can be confusing to toddlers. Alphabet Flash Cards helps parents teach the alphabet to their children by removing all unnecessary distractions and by focusing on the main task at hand. Help your child learn the alphabet today!

What does 101101 + 11011 equal? Or how about 11011011111 times 1101110111? If these questions spark interest, then Binary Adder is for you! Binary Adder not only adds binary numbers but allows you to subtract, multiply, and divide them as well.

We have over 3,000 professionally prepared business letters available on our site to assist you with your everyday business needs. 100% Satisfaction Guaranteed! Save time and money! Yours to keep forever! Quick software download!