Although the novel Frankenstein, written in 1818 by Mary Shelley, has been called the first science fiction novel, there is a persistent but false belief that women did not enter the field of science fiction writing until the 1960s and 1970s.
Other notable women in the science fiction field include:
... These solutions are also called the roots of the equation. The formula reads
<math>
x=\frac{-b \pm \sqrt {b^2-4ac}}{2a}
</math>
The term b2 – 4ac ...