Infinity is an idea, so we can't say that it's the largest number possible. If we're talking about named numbers (like million, billion, trillion) then one of the biggest we can talk about is a googol. A googol is 1.0 x 10100 - which is a scientific way of writing a one followed by 100 zeros.
Time Matters. Time Matters is practice management software, produced by LexisNexis which was purchased by Reed Elsevier in March, 2004. It differs from contact management software such as ACT! or GoldMine because in addition to contacts, it manages calendaring, email, documents, research, billing, accounting, and matters or projects.
TimeLeft is a free school countdown software. TimeLeft school countdown can track how much time is left till the 1st or the last day of school. Just specify the date and TimeLeft countdown will calculate for you how many days, months, weeks, working days, hours, minutes and seconds is left till the school event time.