### Definition of Pure imaginary number

1. Noun. An imaginary number of the form a+bi where a is 0.

### Pure Imaginary Number Pictures

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### Lexicographical Neighbors of Pure Imaginary Number

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### Literary usage of Pure imaginary number

Below you will find example usage of this term as found in modern and/or classical literature:

1. Advanced Course in Algebra by Webster Wells (1904)
"The symbol -y/— a is called a pure imaginary number. It is, of course, impossible to find any real number whose nth power equals — a ; but there are many ..."

2. The American Mathematical Monthly by Mathematical Association of America (1922)
"A pure imaginary number is defined as the product of i and of a real number (so that 0 is included). Imaginary and complex numbers are then declared to be ..."

3. College Algebra by James Harrington Boyd (1901)
"A pure imaginary number is an indicated even root of a negative number; as - /- , r = j, 2) 3, . . . On the contrary, all other numbers, ..."

4. School Algebra by Henry Lewis Rietz (1915)
"Graph of a pure imaginary number. We have shown that any real number a may be represented on a straight line. Fio. 31 If we multiply о by -1, ..."

5. College Algebra by James Harrington Boyd (1901)
"A pure imaginary number is an indicated even root of a negative number; as ^—^ ly—f^ Or°V^~6 when r = 1, 2, 3, . . . On the contrary, all other numbers, ..."

6. A First Course in Algebra by Webster Wells (1908)
"An imaginary number of the form V—a is called a pure imaginary number, and the sum of a real and an imaginary is called a complex number; as a+6v —1. 220. ..."

7. Elementary Algebra by George Hervey Hallett, Robert Franklin Anderson (1917)
"pure imaginary number. The square root of a negative number is called a pure ... The pure imaginary number V— 1 is called the imaginary unit and is denoted ..."

8. College Algebra by Webster Wells (1890)
"An imaginary number of the form 6V—1 is called a pure imaginary number; and one of the form a + 6V— 1, where a is not zero, is called a complex number. ..."