Small Basic Arrays: Indexing Operator

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Concept: To indicate that an identifier is an array, you use the indexing operator []. For example, if you write a statement such as age[1]=30, Small Basic understands that you want to create an array named age and assign the element at index 1 a value of 30. The index of array may be any expression. For example, if N=2, and M=3 in this statement:

arr[ 2 * N + M ] = 0

That's a pirate's array! Arr!!!

And it's a valid Small Basic statement; it sets the seventh element (since N=2 and M=3) of the array (arr) to zero. This is equivalent to writing this: 

arr[7] = 0

  

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