3 Numbers: currency converter, unit converter, tip calculator

If you travel, you will appreciate 3 Numbers. You can:

• Convert currency,
• Convert measurement units between metric and imperial,
• Calculate tips and bill splitting in a single easy interface, but also consult a highly-condensed guide to the tipping customs of every country in the world, so you will always know what to tip,
• Use a calculator for anything else you need to do with your numbers,
• Track expenses or anything else with a built-in note-taking utility that can publish the notes to any computer on the WLAN with a web browser, so you can easily move your expense list or other 3 Numbers notes to another computer,
• Effortlessly drag and drop your numbers between all of the built-in utilities with a single touch, using 3 Numbers "number holders", so you are never, ever retyping numbers. Your numbers will still be waiting for you between sessions. You can even move a number back out of one of your notes for more conversions, days or months later.

3 Numbers has a striking steampunk interface to evoke the golden age of travel-as-adventure, and an alternative look which is entirely modern - it is your choice, and your numbers and settings will still be there in either look.

3 Numbers: a travelers multitool from the future of the past.