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ALG48 can be used to easily calculate with fractions, especially if the basic operation commands are assigned to the corresponding keys of the calculator (see Section 3).
To facilitate the keying of fractions, ADIV and AINV applied to integer arguments return a symbolic fraction instead of evaluating the result as a real number. Thus, to calculate an expression using fractions just type the expression in regular RPN, as you would to evaluate it using real numbers. For instance, to compute 3/4+1/6, you just type:
Note: Make sure the automatic simplification flag is set when calculating with fractions, otherwise the expressions will not be evaluated (see 4.5).