#PennyBoki @ </dream.in.code> puts 'Enter the coefficients' puts 'Enter a: ' STDOUT.flush a=gets.chomp.to_f # user enters the coefficient a puts 'Enter b: ' STDOUT.flush b=gets.chomp.to_f # user enters the coefficient b puts 'Enter c: ' STDOUT.flush c=gets.chomp.to_f # user enters the coefficient c D = b*b -4*a*c # D is the discriminant if D>=0 # if the discriminant is positive or 0 x1=(-b-Math.sqrt(D))/(2*a) # x1 is the first solution x2=(-b+Math.sqrt(D))/(2*a) # x2 is the second solution puts 'x1: '+x1.to_s+' x2: '+x2.to_s # display the solutions else # if the discriminant is negative x1=(-b)/(2*a) # x1 is the real number of a complex number x2=(Math.sqrt(D*(-1)))/(2*a) # x2 is the imaginary number of a complex number puts 'x1: '+x1.to_s+'-i'+x2.to_s # display the first solution puts 'x2: '+x1.to_s+'+i'+x2.to_s # display the second solution end
