A-LevelComputer ScienceProgrammingOct/Nov 2022Paper 2 Q710 Marks
A simple arithmetic expression is stored as a string in the format: <Value1><Operator><Value2> An operator character is one of the following: '+' '-' '*' '/' Example arithmetic expression strings: "803+1904" "34/7" (a) A procedure Calculate() will: • take an arithmetic expression string as a parameter • evaluate the expression • output the result. Assume: • the string contains only numeric digits and a single operator character • Value1 and Value2 represent integer values • Value1 and Value2 are unsigned (they will not be preceded by '+' or '-').
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