Variables and expressions

Martin McBride, 2017-01-31
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A computer program often involves doing mathematical calculations. In maths we use variables such as x and y to represent numerical values. We also use mathematical expressions such as

x + y + 3

to represent calculations.

We use a similar idea in programming, although there are some slight differences as you will see.

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Programming techniques

1. Programming techniques
2. Variables and expressions
3. - Data types
4. - Using variables
5. - Operators
6. - Input and output
7. Flow control
8. - Sequence
9. - If statements
10. - Switch statements
11. - While loops
12. - For loops
13. - Break and continue
14. Data types
15. - Arrays
16. - Strings
17. - Lists
18. - Conversions

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