Add qalculat-parsingcalc screenshot

source/2/2.4/2.4.3/Qalculate.rst

@@ -127,3 +127,6 @@ To change your settings with Units and Currencies use the :guilabel:`Units & Cur
 .. image:: qalculate-unitscurrency.png
 
 To change how Qalculate! parsing things use the :guilabel:`Parsing & Calculation` tab. To choose where to store expression status use the :guilabel:`Expression status` menu. To change how long it takes a tooltip to display change the :guilabel:`Status tooltip delay` menu. To change how long to delay calculating as you type use the :guilabel:`Calculate as you type delay` field. To change if you want to display parsed entries in the history change the :guilabel:`Expression in history` menu. To change in history the expression after calculation use the :guilabel:`Expression after calculation` menu. To automatically copy the result of your calcuations check the :guilabel:`Automatically copy result` checkbox. To change the parsing mode use the :guilabel:`Parsing mode` menu. To use simplified precentage calculation use the :guilabel:`Simplified percentage calculation` checkbox. To read precision check the :guilabel:`Read precision` checkbox. To use concise uncertainty input use the :guilabel:`Allow concise uncertainty input` checkbox. To limit implicit multiplication check the :guilabel:`Limit impliict multiplication` checkbox. To interpret any unrecognized symbol as a variable check the :guilabel:`Interpret unrecognized symbols as variables` checkbox. To change how to calculate interval change the :guilabel:`Interval calcuation` menu. To factor your answers check the :guilabel:`Factorize result` checkbox. 
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+.. image:: qalculate-parsinngcalc.png