<snapdata remixID="13406116"><project name="barcodes" app="Snap! 9.0, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><scenes select="1"><scene name="barcodes"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="Collect UPC number" type="command" category="operators"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>Please type the UPC number.</l></block><block s="doSetVar"><l>UPC number</l><block s="getLastAnswer"></block></block><block s="doSetVar"><l>UPC list</l><block s="reportNewList"><list></list></block></block><block s="doFor"><l>i</l><l>1</l><block s="reportTextAttribute"><l><option>length</option></l><block var="UPC number"/></block><script><block s="doAddToList"><block s="reportLetter"><block var="i"/><block var="UPC number"/></block><block var="UPC list"/></block></script></block></script></block-definition><block-definition s="FindSumOfOdds" type="command" category="control"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>index</l><l>1</l></block><block s="doRepeat"><block s="reportListAttribute"><l><option>length</option></l><block var="UPC list"/></block><script><block s="doIfElse"><block s="reportVariadicEquals"><list><block s="reportModulus"><block var="index"/><l>2</l></block><l>0</l></list></block><script><block s="doChangeVar"><l>index</l><l>1</l></block></script><script><block s="doChangeVar"><l>Sum of odds</l><block s="reportListItem"><block var="index"/><block var="UPC list"/></block></block><block s="doChangeVar"><l>index</l><l>1</l></block></script></block></script></block></script></block-definition><block-definition s="FindSumOfEvens" type="command" category="control"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>index</l><l>1</l></block><block s="doRepeat"><block s="reportDifference"><block s="reportListAttribute"><l><option>length</option></l><block var="UPC list"/></block><l>1</l></block><script><block s="doIfElse"><block s="reportVariadicEquals"><list><block s="reportModulus"><block var="index"/><l>2</l></block><l>0</l></list></block><script><block s="doChangeVar"><l>Sum of evens</l><block s="reportListItem"><block var="index"/><block var="UPC list"/></block></block><block s="doChangeVar"><l>index</l><l>1</l></block></script><script><block s="doChangeVar"><l>index</l><l>1</l></block></script></block></script></block></script></block-definition><block-definition s="RESET" type="command" category="control"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>UPC number</l><l>0</l></block><block s="doSetVar"><l>index</l><l>1</l></block><block s="doSetVar"><l>Sum of odds</l><l>0</l></block><block s="doSetVar"><l>Sum of evens</l><l>0</l></block><block s="doSetVar"><l>SumOfEvenAndOdd</l><l>0</l></block></script></block-definition></blocks><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" penlog="false" volume="100" pan="0" lines="round" ternary="false" hyperops="true" codify="false" inheritance="true" sublistIDs="false" 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struct="atomic" id="131"></list></costumes><sounds><list struct="atomic" id="132"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><watcher var="UPC list" style="normal" x="11" y="41.00000199999997" color="243,118,29" extX="80" extY="70"/><watcher var="index" style="normal" x="9" y="11.000004000000004" color="243,118,29"/><watcher var="UPC number" style="normal" x="121.99999999999955" y="8" color="243,118,29"/><watcher var="Sum of odds" style="normal" x="125" y="45" color="243,118,29"/><watcher var="SumOfEvenAndOdd" style="normal" x="127" y="123.00000399999999" color="243,118,29"/><sprite name="Sprite" idx="1" x="149.00000000000023" y="87.00000000000003" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="80,80,80,1" pen="tip" id="142"><costumes><list struct="atomic" id="143"></list></costumes><sounds><list struct="atomic" id="144"></list></sounds><blocks></blocks><variables></variables><scripts><script x="10" y="30"><block s="receiveGo"></block><custom-block s="RESET"></custom-block><custom-block s="Collect UPC number"></custom-block><custom-block s="FindSumOfOdds"></custom-block><block s="doSetVar"><l>Sum of odds</l><block s="reportVariadicProduct"><list><block var="Sum of odds"/><l>3</l></list></block></block><custom-block s="FindSumOfEvens"></custom-block><block s="doSetVar"><l>SumOfEvenAndOdd</l><block s="reportVariadicSum"><list><block var="Sum of evens"/><block var="Sum of odds"/><block s="reportListItem"><l><option>last</option></l><block var="UPC list"/></block></list></block></block><block s="doIfElse"><block s="reportVariadicEquals"><list><block s="reportModulus"><block var="SumOfEvenAndOdd"/><l>10</l></block><l>0</l></list></block><script><block s="doSayFor"><l>Your UPC number is correct!</l><l>2</l></block></script><script><block s="doSayFor"><l>Your UPC number is NOT correct...</l><l>2</l></block></script></block><custom-block s="RESET"></custom-block></script><comment x="11" y="328.66666666666663" w="351" collapsed="false">Step One: Add the digits in the odd positions together: &#xD;&#xD;Step Two: Multiply the answer in Step One by 3&#xD;&#xD;Step Three: Add the digits in the even positions (except for the 12th digit)&#xD;&#xD;Step Four: Add the answer from Step Three to the answer from Step Two&#xD;&#xD;Step Five: Add the check digit (in this case 3) to the answer from Step Four&#xD;&#xD;Step Six: This result of step five must be a multiple of ten to be accurate. To determine its accuracy we will use modular math. So the result of step five MOD 10 should equate to 0. &#xD;</comment><script x="384" y="88.33333333333334"><block s="receiveKey"><l><option>space</option></l><list></list></block></script></scripts></sprite><watcher var="Sum of evens" style="normal" x="128" y="85.00000199999998" color="243,118,29"/></sprites></stage><variables><variable name="UPC number"><l>506264115</l></variable><variable name="UPC list"><list struct="atomic" id="200">5,0,6,2,6,4,1,1,5</list></variable><variable name="index"><l>9</l></variable><variable name="Sum of odds"><l>69</l></variable><variable name="Sum of evens"><l>7</l></variable><variable name="SumOfEvenAndOdd"><l>81</l></variable></variables></scene></scenes></project><media name="barcodes" app="Snap! 9.0, https://snap.berkeley.edu" version="2"></media></snapdata>