if (zeroTickFlag) {   //if did zero tick last iter then
                        --j;              //decrement to do 1.0 tick now
                    }     //calculate power-of-ten value for tick:
                    currentTickValue = (i >= 0)
                        ? Math.pow(10, i) + (Math.pow(10, i) * j)
                        : -(Math.pow(10, -i) - (Math.pow(10, -i - 1) * j));