its our numbers like 1 2 3 4 5 6 7 8 9 10. Romans have a differnt base and this is what there's looks like I II III IV IVX like that.
http://wiki.answers.com/Q/What_is_base_ten_system

Natural logarithm (abbreviated as ), is a logarithm to base . That is, applying the function on a number gives the answer to What power do I need to raise to, to get ? If you are
http://www.quora.com/Mathematics/Whatsthediffere...

The decimal (base ten or occasionally denary) numeral system has te...
http://www.chacha.com/question/whatisbaseten

Our counting system is base ten.
http://answers.yahoo.com/question/index?qid=201111...
