I called this chapter of my course “Relations”, but I should have called it “Specifying subsets and functions”, because that’s what it’s all about. This week, we saw that it’s possible to define ...

The overlap between sets is called the intersection. The notation for the intersection of set A and set B is A∩B. The intersection contains elements that are in both set A and set B. Image ...

JSON (JavaScript Object Notation) is a text-based, human-readable data interchange format used to exchange data between web clients and web servers. The format defines a set of structuring ... a ...

[Mike] sent in a project he’s been working on – a port of a BASIC interpreter that fits on an Arduino. The code is meant to be a faithful port of Tiny BASIC for the 68000, and true to Tiny ...

On October 16 1843, the Irish mathematician William Rowan Hamilton had an epiphany during a walk alongside Dublin's Royal ...

The best rummage sale purchase I ever made was a piece of hardware that used Reverse Polish Notation ... for a trifling amount of money. It had a set of corroded batteries that had damaged ...

A set that includes both types in multiple sizes will cover most needs. You may even consider getting a multi-bit screwdriver if you are tight on space. A basic claw hammer is perfect for hanging ...

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Visual Basic 6 (VB6), introduced in 1998, was a major step forward in programming, particularly for Windows applications.

This isn’t correct for the full basic state pension, which is set to rise by around £350 from April next year. The basic state pension is for men born before 6 April 1951 and women born before 6 April ...