Q:
# Is zero a positive integer?

**Although zero is defined as an integer, it is neither positive nor negative.** Zero is the integer interval between positive and negative numbers, where an integer is defined as a non-fractional number.

The number zero was historically developed after basic counting systems. The first known recorded use of a symbol for zero was in ancient Egypt. Hieroglyphic accounting texts dating to 1740 B.C. use the symbol "nfr," meaning "beautiful," for a symbolic placeholder digit. It wasn't until centuries later that Indian mathematicians developed the concept of zero as a number. The "Brahmasputha Siddhanta," or "Opening of the Universe," written by Brahmagupta in A.D. 628, lists the mathematical operations of zero in a series of rules.

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Q:
## What is a very hard math equation?

A: An extremely difficult math equation is the Jacobi-Madden equation, a4 + b4 + c4 + d4 = (a + b + c + d)4 where variables a, b, c and d can be any positive ... Full Answer >Filed Under: -
Q:
## Is every integer a rational number?

A: Every integer is a rational number. An integer is a whole number, whether positive or negative, including zero. A rational number is any number that is abl... Full Answer >Filed Under: -
Q:
## Is every integer a whole number?

A: Every integer is not a whole number, but every whole number is an integer. An integer is any number, positive, negative or zero, that is able to be represe... Full Answer >Filed Under: -
Q:
## How do you write a mixed number?

A: A mixed number is written as a whole number, or integer, followed by a fraction. A mixed number can be converted to or from an improper fraction in which t... Full Answer >Filed Under: