SLR 08 – Basic programming concepts 45. AQA GCSE (8525) SLR8 – 3.2 Data types & casting 46. AQA GCSE (8525) SLR8 – 3.2 Variables & constants 47. AQA GCSE (8525) SLR8 – 3.2 User input & display output 48. AQA GCSE (8525) SLR8 – 3.2 Introduction to subroutines 49. AQA GCSE (8525) SLR8 – 3.2 The 3 basic programming constructs 50. AQA GCSE (8525) SLR8 – 3.2 Meaningful identifiers 51. AQA GCSE (8525) SLR8 – 3.2 Arithmetic operators 52. AQA GCSE (8525) SLR8 – 3.2 Boolean operators