cs330_f2016:racketbasics
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cs330_f2016:racketbasics [2016/08/10 16:04] morse [Notes:] |
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. | ||
| + | |||
| + | Please also take a look at [[cs330_f2016:turnin|how to turn in your assignments]]. | ||
| ---- | ---- | ||
| + | |||
| ====Deliverables:==== | ====Deliverables:==== | ||
| For this lab, you will need to implement the following functions and data structures in Racket: | For this lab, you will need to implement the following functions and data structures in Racket: | ||
| + | * ''sum-coins'' | ||
| + | * ''degrees-to-radians'' | ||
| + | * ''sign'' | ||
| + | * ''new-sin'' | ||
| === sum-coins === | === sum-coins === | ||
| Line 18: | Line 26: | ||
| (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 === | ||
| Line 38: | Line 46: | ||
| 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:==== | ||
| You **do not** need to bulletproof the code to enforce proper inputs. | You **do not** need to bulletproof the code to enforce proper inputs. | ||
| Your code only needs to return correct values given correct inputs. | Your code only needs to return correct values given correct inputs. | ||
| + | |||
| + | ---- | ||
| ====Hints:==== | ====Hints:==== | ||
| - | Try using the | + | Try clicking on the Step button to walk through your code and watch the equivalent sequence of substitutions that are performed. |
| + | |||
cs330_f2016/racketbasics.1470845043.txt.gz · Last modified: 2021/06/30 23:40 (external edit)
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