sin-per-x.c3dg

saws {
  63*{y .0125 DEF{tr=tr+.5}}
  1000*{DEF{n=n+.1}}{
    SQUARE{x -.5 y -.4 s (1/100) x n
        y (sin(n/10*(1+tr))/(n/10*(1+tr))*10)
        s .1
    }
  }
}