My name is Aaron Hsu, and I'm a computer scientist. I'm changing the way people look at computing and programming languages, what they can do with them, and how they do it.
Scalar functions perform most of the hard labor in an APL program. A scalar function defines a mapping from one or two scalar values to a third value. In math, the addition function maps two numbers to their sum. Many other such functions exist. The following table gives all the
In early grade school mathematics, students already learn the concept of a function, but they do not know what they are called. An expression like 5+5 uses the function known as addition. The addition function takes two numbers and describes a new value in terms of the two old