cs330_f2016:racketbasics
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cs330_f2016:racketbasics [2016/08/10 16:47] morse |
cs330_f2016:racketbasics [2021/06/30 23:42] (current) |
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| ====Objective:==== | ====Objective:==== | ||
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| Download the latest version of DrRacket from [[http://racket-lang.org]] and install it on your computer. Versions are available for Windows, Mac OS X, and Linux. | Download the latest version of DrRacket from [[http://racket-lang.org]] and install it on your computer. Versions are available for Windows, Mac OS X, and Linux. | ||
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| + | Please also take a look at [[cs330_f2016:turnin|how to turn in your assignments]]. | ||
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| (define (sum-coins pennies nickels dimes quarters) ...) | (define (sum-coins pennies nickels dimes quarters) ...) | ||
| </code> | </code> | ||
| - | where ''pennies'', ''nickels'', ''dimes'', and ''quarters'' are all non-negative numbers and the value returned is the total value of the coins. | + | where ''pennies'', ''nickels'', ''dimes'', and ''quarters'' are all non-negative numbers and the value returned is the total value of the coins in cents. |
| === degrees-to-radians === | === degrees-to-radians === | ||
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| where ''angle'' is a number representing either degrees or radians, type is either '''degrees'' or '''radians'' (a symbol) indicating how ''angle'' is represented, and the value returned is the sin of ''angle''. | where ''angle'' is a number representing either degrees or radians, type is either '''degrees'' or '''radians'' (a symbol) indicating how ''angle'' is represented, and the value returned is the sin of ''angle''. | ||
| - | ---- | + | Hint: use ''symbol=?'' to test for symbol equality: ''(symbol=? x 'degrees)''. |
| + | ---- | ||
| ====Notes:==== | ====Notes:==== | ||
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| Try clicking on the Step button to walk through your code and watch the equivalent sequence of substitutions that are performed. | Try clicking on the Step button to walk through your code and watch the equivalent sequence of substitutions that are performed. | ||
| - | Use ''check-expect'' and ''check-within'' to write your own unit tests for your code. | + | |
cs330_f2016/racketbasics.1470847644.txt.gz · Last modified: 2021/06/30 23:40 (external edit)
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