A mole is a unit of measurement in the International System of Units (SI). The mole is defined as the amount of a substance that contains as many elementary entities as there are atoms in 0.012 kilogram of carbon-12. This number is called Avogadro’s constant. The mole is used in chemistry to express amounts of … Read more

APL (a programming language)

APL (a programming language) is a matrix programming language created by Kenneth E. Iverson in 1962. It is known for its concise notation and operators that can be applied to entire arrays. Is APL still used? Yes, APL is still used. It is a powerful programming language that is used in a variety of applications. … Read more