1. Open the sidebar menu by tapping on the hamburger icon (located at the top left of the screen) or by swiping from the left edge of the screen to the center of the screen.
2. Tap on Settings.
3. Scroll down the Settings page until you see "Drop leading 0 digits from scan."
4. Tap on the slider to the right of "Drop leading 0 digits from scan" to enable the feature.