Glossary of terms

F

• For all ($\forall$)

• For all values of a variable.

• The function $f$ is defined as $f(x)=\sqrt{x}, \ \forall x \in \mathbb{R}^+$

• Fraction

• A fraction is a mathematical symbol form which shows rational numbers in the form of an integer divided by another integer. It is okay to consider a fraction as being another way of showing a division operation.

• $2 \div 3 \equiv \frac{2}{3}$