Number sequences are sets of numbers that follow a pattern or a rule. Each number in a sequence is called a term. A sequence which increases or decreases by the same amount each time is called a ...

Save guides, add subjects and pick up where you left off with your BBC account. A linear sequence repeatedly increases or decreases by the same amount. The number added (or subtracted) at each stage ...

The ability to map numbers onto a line is universal. But for an Amazonian tribe, this mapping is not linear but logarithmic. The finding illuminates both the nature and the limits of the human ...

PNAS is the world's most-cited multidisciplinary scientific serial. It publishes high-impact research reports, commentaries, perspectives, reviews, colloquium papers, and actions of the Academy. In ...

This paper presents a modeling format and a solution algorithm for partial and general economic equilibrium problems. It reports on computational experience from a series of small to medium sized ...

As soon as people leave school, many leave maths behind happily. So much of our daily maths problems are tackled with the help of computers anyway- working out the total cost of your shopping, how ...