Maths: Use of calculators at GCE O/L and A/L
(Reduce O/Level STRESS continued) Sri Lankan GCE O/Level students are 40 years behind their counterparts in the UK vis-a-vis the use of calculators, which were introduced into secondary schools in the UK around 1980. These ordinary scientific calculators had arithmetic functions, squares, square roots, reciprocals, trigonometrical, exponential and logarithmic functions and their Inverses, etc. They were not graphic display calculators (i. e. calculators that can display graphs, statistical functions, answers to definite integrals,etc. on a small screen at the press of a few buttons). Cambr...