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25 lines
668 B
25 lines
668 B
7 years ago
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# Chapter Exercises
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# Parenthesization
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1. `(2 + (2 * 3)) - 1`
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2. `(^) 10 (1 + 1)`
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3. `((2 ^ 2) * (4 ^ 5)) + 1`
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# Equivalent expressions
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1. Equivalent.
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2. Equivalent.
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3. Different. `(-) 37 400` is equal to `37 - 400`
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4. Different. Integer division versus real division.
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5. Different. Multiplication has higher precedence.
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# More fun with functions
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In the REPL:
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`let z = 7; x = y ^ 2; waxOn = x * 5; y = z + 8`
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1. `waxOn` is a number equal to `1125`. So it would be as if you replace `waxOn` by `1125`.
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2. /
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3. This will return `1125 * 3` or `3375`
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4. see src/chapter.hs
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5. see src/chapter.hs
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6. see src/chapter.hs
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7. waxOff is basically an for the triple function.
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