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  1. PO
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    <p>Precision follows <a href="http://en.wikipedia.org/wiki/Significant_figures" rel="nofollow">sig figs</a>, not fractional digits. you should remove the <code>getcontext().prec = 2</code> and change the last line to:</p> <pre><code>print 'the result of the currency conversion was ', currencyAmount.quantize(Decimal('0.00')) </code></pre> <p><strong>EDIT</strong></p> <p>i've tried this code below and it works correctly:</p> <pre><code>#setup the decimal data type (including number of decimal places) import decimal #get the current value and type from the user currencyAmount = decimal.Decimal(raw_input('please enter the amount: ')) currencyType = int(raw_input('please enter the type (1 = pound, 2 = euro, 3 = dollar, 4 = yen): ')) #set the exchange rates (based on sterling) euro = decimal.Decimal('1.5') dollar = decimal.Decimal('2.7') yen = decimal.Decimal('30.8') #convert the currency into pound sterling if (currencyType == 2): currencyAmount = currencyAmount / euro elif (currencyType == 3): currencyAmount = currencyAmount / dollar elif (currencyType == 4): currencyAmount = currencyAmount / yen #ask the user what currency they want it converted into currencyConvert = int(raw_input('please enter the currency you would like to convert to (1 = pound, 2 = euro, 3 = dollar, 4 = yen): ')) #convert the currency into the new format (pound already done in previous steps) if (currencyConvert == 2): currencyAmount = currencyAmount * euro elif (currencyConvert == 3): currencyAmount = currencyAmount * dollar elif (currencyConvert == 4): currencyAmount = currencyAmount * yen #display the result to the user print 'the result of the currency conversion was ', currencyAmount.quantize(decimal.Decimal('0.00')) </code></pre> <p>output:</p> <pre><code>please enter the amount: 100 please enter the type (1 = pound, 2 = euro, 3 = dollar, 4 = yen): 2 please enter the currency you would like to convert to (1 = pound, 2 = euro, 3 = dollar, 4 = yen): 4 the result of the currency conversion was 2053.33 </code></pre>
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    1. POShowing decimal places (Python 2.7 and Decimal datatype)
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    1. COthanks for help, but new error reported - have updated original code with error message
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    2. COi've just updated my solution
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