Finite-difference approximations for the first derivative, valid halfway between equidistant gridpoints, are in general much more accurate than the corresponding approximations, which are valid at ...

The first conclusive proof that Far Eastern teaching methods can improve UK pupils’ maths performance is revealed in research just published. A study, by UCL Institute of Education and Cambridge ...

Christel Hamann’s difference engine was a type of mechanical calculator made in the 1900s. It was automatic and could help people calculate and arrange polynomial functions used in science, ...