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document.write("				<pre class=\"textmate-source-numbers\">1\n");
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document.write("		<pre class=\"textmate-source\"><pre class=\"sunburst\"><span class=\'variable variable_other variable_other_constant variable_other_constant_ruby\'>Before<\/span> <span class=\'keyword keyword_control keyword_control_ruby keyword_control_ruby_start-block\'>do<\/span>\n");
document.write("  <span class=\'variable variable_other variable_other_readwrite variable_other_readwrite_instance variable_other_readwrite_instance_ruby\'>@calculator<\/span> <span class=\'keyword keyword_operator keyword_operator_assignment keyword_operator_assignment_ruby\'>=<\/span> <span class=\'support support_class support_class_ruby\'>Calculator<\/span><span class=\'meta meta_function-call meta_function-call_method meta_function-call_method_without-arguments meta_function-call_method_without-arguments_ruby\'>.<span class=\'entity entity_name entity_name_function entity_name_function_ruby\'>new<\/span><\/span>\n");
document.write("<span class=\'keyword keyword_control keyword_control_ruby\'>end<\/span>\n");
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document.write("<span class=\'variable variable_other variable_other_constant variable_other_constant_ruby\'>Given<\/span> <span class=\'keyword keyword_operator keyword_operator_arithmetic keyword_operator_arithmetic_ruby\'>/<\/span><span class=\'keyword keyword_operator keyword_operator_logical keyword_operator_logical_ruby\'>^<\/span><span class=\'variable variable_other variable_other_constant variable_other_constant_ruby\'>I<\/span> have entered ([<span class=\'constant constant_numeric constant_numeric_ruby\'>0<\/span><span class=\'keyword keyword_operator keyword_operator_arithmetic keyword_operator_arithmetic_ruby\'>-<\/span><span class=\'constant constant_numeric constant_numeric_ruby\'>9<\/span>]<span class=\'keyword keyword_operator keyword_operator_arithmetic keyword_operator_arithmetic_ruby\'>*<\/span>) into the calculator<span class=\'variable variable_other variable_other_readwrite variable_other_readwrite_global variable_other_readwrite_global_pre-defined variable_other_readwrite_global_pre-defined_ruby\'>$/<\/span> <span class=\'keyword keyword_control keyword_control_ruby keyword_control_ruby_start-block\'>do <\/span>|<span class=\'variable variable_other variable_other_block variable_other_block_ruby\'>value<\/span>|\n");
document.write("  <span class=\'variable variable_other variable_other_readwrite variable_other_readwrite_instance variable_other_readwrite_instance_ruby\'>@calculator<\/span><span class=\'meta meta_function-call meta_function-call_method meta_function-call_method_with-arguments meta_function-call_method_with-arguments_ruby\'>.<span class=\'entity entity_name entity_name_function entity_name_function_ruby\'>enter<\/span><\/span>( value<span class=\'meta meta_function-call meta_function-call_method meta_function-call_method_without-arguments meta_function-call_method_without-arguments_ruby\'>.<span class=\'entity entity_name entity_name_function entity_name_function_ruby\'>to_i<\/span><\/span> )\n");
document.write("<span class=\'keyword keyword_control keyword_control_ruby\'>end<\/span>\n");
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document.write("<span class=\'variable variable_other variable_other_constant variable_other_constant_ruby\'>When<\/span> <span class=\'keyword keyword_operator keyword_operator_arithmetic keyword_operator_arithmetic_ruby\'>/<\/span><span class=\'keyword keyword_operator keyword_operator_logical keyword_operator_logical_ruby\'>^<\/span><span class=\'variable variable_other variable_other_constant variable_other_constant_ruby\'>I<\/span> press add<span class=\'variable variable_other variable_other_readwrite variable_other_readwrite_global variable_other_readwrite_global_pre-defined variable_other_readwrite_global_pre-defined_ruby\'>$/<\/span> <span class=\'keyword keyword_control keyword_control_ruby keyword_control_ruby_start-block\'>do<\/span>\n");
document.write("  <span class=\'variable variable_other variable_other_readwrite variable_other_readwrite_instance variable_other_readwrite_instance_ruby\'>@calculator<\/span><span class=\'meta meta_function-call meta_function-call_method meta_function-call_method_without-arguments meta_function-call_method_without-arguments_ruby\'>.<span class=\'entity entity_name entity_name_function entity_name_function_ruby\'>add<\/span><\/span>\n");
document.write("<span class=\'keyword keyword_control keyword_control_ruby\'>end<\/span>\n");
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document.write("<span class=\'variable variable_other variable_other_constant variable_other_constant_ruby\'>Then<\/span> <span class=\'keyword keyword_operator keyword_operator_arithmetic keyword_operator_arithmetic_ruby\'>/<\/span><span class=\'keyword keyword_operator keyword_operator_logical keyword_operator_logical_ruby\'>^<\/span>the result should be ([<span class=\'constant constant_numeric constant_numeric_ruby\'>0<\/span><span class=\'keyword keyword_operator keyword_operator_arithmetic keyword_operator_arithmetic_ruby\'>-<\/span><span class=\'constant constant_numeric constant_numeric_ruby\'>9<\/span>]<span class=\'keyword keyword_operator keyword_operator_arithmetic keyword_operator_arithmetic_ruby\'>*<\/span>) on the screen<span class=\'variable variable_other variable_other_readwrite variable_other_readwrite_global variable_other_readwrite_global_pre-defined variable_other_readwrite_global_pre-defined_ruby\'>$/<\/span> <span class=\'keyword keyword_control keyword_control_ruby keyword_control_ruby_start-block\'>do <\/span>|<span class=\'variable variable_other variable_other_block variable_other_block_ruby\'>value<\/span>|\n");
document.write("  <span class=\'variable variable_other variable_other_readwrite variable_other_readwrite_instance variable_other_readwrite_instance_ruby\'>@calculator<\/span><span class=\'meta meta_function-call meta_function-call_method meta_function-call_method_without-arguments meta_function-call_method_without-arguments_ruby\'>.<span class=\'entity entity_name entity_name_function entity_name_function_ruby\'>screen<\/span><\/span><span class=\'meta meta_function-call meta_function-call_method meta_function-call_method_without-arguments meta_function-call_method_without-arguments_ruby\'>.<span class=\'entity entity_name entity_name_function entity_name_function_ruby\'>should<\/span><\/span> <span class=\'meta meta_function-call meta_function-call_ruby\'><span class=\'entity entity_name entity_name_function entity_name_function_ruby\'>equal<\/span><\/span>( value<span class=\'meta meta_function-call meta_function-call_method meta_function-call_method_without-arguments meta_function-call_method_without-arguments_ruby\'>.<span class=\'entity entity_name entity_name_function entity_name_function_ruby\'>to_i<\/span><\/span> )\n");
document.write("<span class=\'keyword keyword_control keyword_control_ruby\'>end<\/span>\n");
document.write("<\/pre><\/pre>\n");
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