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Diffstat (limited to 'tutorial/expression.md')
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diff --git a/tutorial/expression.md b/tutorial/expression.md index 59fe827c..39738d51 100644 --- a/tutorial/expression.md +++ b/tutorial/expression.md @@ -57,10 +57,9 @@ For a longer example, here's an expression for the [volume of a sphere](https:// The evaluation order is shown below, with the function `⋆` on the first line evaluated first, then `×` on the next, and so on. The effect of the parentheses is that `÷` is evaluated before the leftmost `×`. - = 2⋆3 - π × - 4÷3 - ( ) × +<!--SVG evalexp.bqn +DrawEval "(4÷3) × π × 2⋆3" +--> The following rule might help you to internalize this system in addition to identifying when parentheses are needed: an expression never needs to end with a parenthesis, or contain two closing parentheses in a row. If it does, at least one set of parentheses can be removed. |