Touch slider-position sensing useable with a capacitive touch sensor that includes multiple capacitive electrodes arranged to define a slider track. The touch slider-position sensing methodology includes: (a) generating a set of calibration vectors for points of the slider track; (b) determining a touch slider-position based on (i) measuring a measurement/data vector associated with the touch-press slider-location, (ii) determining an angle between the measurement/data vector and a subset of the calibration vectors, and (iii) determining touch slider-position based on the angles between the measurement data vectors and the subset of calibration vectors. The method can include performing a quadratic or higher order interpolation of the angles between the measurement/data vector and the subset of the calibration vectors.