You are not currently logged in. Please create an account or log in to view the full course. Classic View Mathematics GCSE OCR OCR GCSE Mathematics (J560) – Higher 3. Indices and Surds Classic View Contents 3.03 Exact Calculations 3.03 Exact Calculations NUMBER I – OCR GCSE (J560) Working With Fractions and Decimals – 2.01a, 2.01b, 2.02a, 2.02b, 2.02c, 3.03a Dr Thomas Woolley, Cardiff University