# WHAT IS THE NUM An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i 2 = −1. The square of an imaginary number bi is −b 2.For example, 5i is an imaginary number, and its square is −25.By definition, zero is considered to be both real and imaginary. The set of imaginary numbers is sometimes denoted using the ...

The "Traditional British" values shown are unused in American English and are obsolete in British English, but their other-language variants are dominant in many non-English-speaking areas, including continental Europe and Spanish -speaking countries in Latin America; see Long and short scales.

The number e, known as Euler's number, is a mathematical constant approximately equal to 2.71828, and can be characterized in many ways. It is the base of the natural logarithm. It is the limit of (1 + 1/n)n as n approaches infinity, an expression that arises in the study of compound interest. It can also be calculated as the sum of the infinite series e = ∑ n = 0 ∞ 1 n ! = 1 + 1 1 + 1 1 ⋅ 2 + 1 1 ⋅ 2 ⋅ 3 + ⋯ …

Fibonacci numbers are strongly related to the golden ratio: Binet's formula expresses the n th Fibonacci number in terms of n and the golden ratio, and implies that the ratio of two consecutive Fibonacci numbers tends to the golden ratio as n increases.. Fibonacci numbers are named after Italian mathematician Leonardo of Pisa, later known as Fibonacci.In his 1202 book Liber Abaci, Fibonacci ...

num%2==0 means the remainder of num divided by two which if something is divided by two the only remainder it could have is either 0 or 1, so its taking the remainder of dividing num by 2 …

The Book of Numbers (from Greek Ἀριθμοί, Arithmoi; Hebrew: בְּמִדְבַּר ‎, Bəmiḏbar, "In the desert [of]") is the fourth book of the Hebrew Bible, and the fourth of five books of the Jewish Torah. The book has a long and complex history; its final form is possibly due to a Priestly redaction (i.e., editing) of a Yahwistic source made some time in the early Persian period ...

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· The “A-Number” stands for Alien Registration Number. It may also be referred to as an “Alien Number” or “USCIS Number.” This number is issued by USCIS to noncitizens of the United States. Most foreign nationals are assigned an A-Number when applying for a green card, a waiver, employment authorization and certain visas.