 If you are familiar with the Drake equation for calculating the number of intelligent civilizations in our galaxy who may be trying to contact us, you will appreciate this little program. (If you aren't familiar with this well-known equation, we urge you to visit and explore our site 'We Are Not Alone', where its use is explained fully.) The program we have for you to download will let you enter your estimates for the variables in the equation, and instantly show a result. Its advantage is that it lets you immediately see the effects of changing one or more variables on the final answer; it's faster than a simple calculator. Give it a try; here's what it looks like:  |