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We have already seen how to enter some simple fractions.  Fractions with complicated numerators or denominators must have the numerator and/or denominator surrounded by brackets.  These brackets will not be displayed, they are used as logical brackets so that you clearly indicate the elements that comprise the numerator and denominator.



fxe0151                        is entered as (3x+2)/4

fxe0150                is entered as ((x+1)2(x+2))/(x+1)

fxe0149        is entered as x=(-b +- sr(b2-4ac))/2a  or you can use the qf standard shortcut.



fxe0127                is entered as 1/(1+4x^(3x/2)+1/(2x2+1/2))