T=d f ld mf
V=x
R=-1000,1000,.25
F=x*4/2 + (1+(2+3)) + x*x+x+1+2+3*4+5*6*\n7-8*9
C=x*4/2 + (1+(2+3)) + x*x+x+(1.0+2.0+3.0*4.0+5.0*6.0*7.0-8.0*9.0)
