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City Data

Author: Barrie Galpin

Område:  Mathematics

Labels: Decimals, Data, Differentiation

Data from 50 cities around the world - all ready to be explored and analysed

Moving from Degrees to Radians

Author: Nevil Hopley

Labels: Fractions, Decimals, Angles, History of maths, Trigonometry

Measuring angles using degrees and radians (both decimals and fractions of π).

How many solutions?

Author: Nevil Hopley

Labels: Decimals, Exponential, Powers and roots, Calculator methods, Index, Mathematical thinking

Use graphs and the nsolve(...) command to explore equations' solutions and discover properties of negative indices.

Trial and Improvement

Author: Barrie Galpin

Labels: Decimals, Data, Differentiation

Use trial and improvement to find the roots of a quadratic - multiple representations