Scripting: Writing polynomials with text

Description

With this method we can write a polynomial as a text to avoid extra symbols such as "1x+-3x+1".

Scripting

ua = Slider(-1, 1, 0.1, 1, 150, false,true, false,false) ub= Slider(-1, 1, 0.1, 1, 150, false,true, false,false) uc = Slider(-1, 1, 0.1, 1, 150, false,true, false,false) I1 = InputBox(ua) I2 = InputBox(ub) I3 = InputBox(uc) f1(x) = ua x^2+ ub x + uc f2(x) = ua x^2 + uc f3(x) = ub x + uc f4(x) = uc t1 = If(ua !=0 && ub!= 0 , f1, If( ua!=0 && ub==0, f2, If( ua==0&& ub!=0, f3, If( ua==0 && ub==0, f4) ) ))

Demo