This allows for the definition of the anti-van derWaerden number of a graph, which is the least positive integer r such that every exact r-coloring of a graph contains a rainbow k-term arithmetic ...

Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...

Switzerland’s tariffs could be much lower. Bermuda’s could be way higher. And Australia could have no tariffs at all.

President Donald Trump introduced his “discounted reciprocal tariffs” on over 200 countries on April 2. Most countries ...

This graph shows the cost of petrol. It shows that 20 litres will cost £23 or £15 will buy 13 litres. Gradient = \(\frac{\text{change up}}{\text{change right}}\) or \(\frac{\text{change in y}}{\ ...

The scale on the left graph is inappropriate. The numbers go up higher than necessary on both axes. This means the points are squashed into a small part of the graph area and are difficult to read ...

One of the biggest crashes in the crypto world didn’t just happen – a few highly organized people caused it, revealing the ...