The number of days in the months April, June, September and November (and in unusual circumstances February—see February 30). Although the number of days in a month vary, 30 is used to estimate …

Oct 29, 2025 · Simple online calculator with memory functions similar to a basic handheld calculator. Free simple calculator for adding, subtracting, multiplying, dividing.

Jan 29, 2016 · Numbers each have their own value depending on what importance people give to them, maybe it marks an anniversary, or a lucky number. Well, here's 30 facts!

Welcome to the most comprehensive review of the number 30 ever created. The number 30 possesses remarkable attributes, including–and perhaps most profoundly–its role (along with its prime factors 2, …

'30 Seconds to Mars' (also Thirty Seconds to Mars, abbreviated as 30STM or TSTM) is an American alternative rock band formed in 1998 in Los Angeles (California).

30 is a positive integer that comes after 29 and before 31. It is an even number and it is also considered a composite number, meaning it can be divided evenly by numbers other than 1 or itself.

It is the number between twenty-nine and thirty-one. In roman numerals it is XXX.

The meaning of THIRTY is a number equal to three times 10. How to use thirty in a sentence.

Look up 30 in Wiktionary, the free dictionary.

Her first studio album in six years following 25, 30 was inspired by Adele's experiences and anxiety following her divorce and its impact on her son's life, along with motherhood and fame.