Simulations are computer programs that pretend to copy a real-life event. They usually let you explore what happens when you make choices.
A variable is something that can change in a simulation.
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| Are Simulations Helpful? |
Simulations let you try things out that could be too dangerous, expensive or impossible to do in real life. If you crash a car in a simulation for example, nobody will be put in any danger and no car will need repairing.
There are problems with simulations though – they are often too simple and can be very expensive to run. Sometimes a simulation is used at first but the results are then tested out by using the real system.
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