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Editorial

Editorial

How long is a fraction of a second? In everyday life, we would simply say that it is a very short time; in mathematics, however, we would be led to look for two integers—a numerator and a larger denominator—with which to quantify it.

BENOIT RITTAUDFeb 12, 2024
One problem, four approaches

One problem, four approaches

Line and Maurice are keen gardeners. Line takes two hours to complete a particular task, while Maurice takes three. How long will it take them if they work together? This problem can be solved in many ways. Here is a small selection…

JEAN AYMESFeb 19, 2024
Fractions: word origins and history | Tangente

Fractions: word origins and history | Tangente

The word fraction seems to have appeared in its modern sense in 1549, in an arithmetic book published that year by the mathematician and Pléiade poet Jacques Peletier du Mans (1517–1582).

BERTRAND HAUCHECORNEFeb 20, 2024
The people of the rational numbers

The people of the rational numbers

A brief imaginary, non-chronological history that attempts to answer a question less straightforward than it seems: are fractions numbers?

BENOIT RITTAUDFeb 20, 2024
Geopolitics of fractions in 19th-century China | Tangente

Geopolitics of fractions in 19th-century China | Tangente

Is mathematics really immune to human passions? The introduction of fractional notation in China shows that things can be more complicated, as national sentiment comes into conflict with the need for scientific development.

ANTOINE HOULOU-GARCIAFeb 20, 2024
The limits of the pie chart

The limits of the pie chart

To represent the fraction 5/6 graphically or geometrically, it is tempting to draw a pie chart with six slices, five of them shaded, as shown opposite. This solution is often described as "taking five out of six equal slices."

LUCA AGOSTINOFeb 20, 2024