To ensure the authenticity of a document you have to sign the document with the certificate. I will show you how you can easily sign PDF document with the help of simple tool DigiSigner.
If you know how many years or months you got left until the retirement or any other event or project in your life, Excel can return you the exact date and the number of days left to reach it.
Nature is everything around us, we are nature and we should be doing everything in our power to preserve it. Now let's learn about nature in German language.
FLAC is an audio file that enables you to play songs without the lost of sound quality unlike MP3 files for instance. I will show you what you need to do in order to play FLAC in Windows 7 - Media Player 12 .
You may have noticed that Facebook ads a the location revealing your wheresbouts at the times you publish post. If you don't want other to know that, this is what you need to do.
This is how our bellowed planet looks like on Martian twilight sky. It's the brightest point of light in the sky, and NASA's curiosity rover took a picture.
