Gestures such as pinching and tapping control the zoom level and axis. These changes are temporary; they affect only the current appearance of the graph. To save the changes, tap Edit above the graph and then zoom or scroll.
The magnifier highlights the values of data on a graph. Tap and hold your finger on the graph to display the magnifier. Then move your finger over the data to show the value labels of each data point.
Showing the Values of a Data Point shows the values for John, with an approximate height of 65 and weight of 98.