Visualise rising and falling temperatures with this digital thermometer and calculate temperature differences. The tool presents temperatures above and below zero degrees.
Press the cursor button in the toolbar to control the tool. Adjust the temperature by moving the arrow up and down. The card to the left of the button indicates the temperature. Sub-zero temperatures are indicated with a '-' sign on the card.
Click on the settings menu to change the tool settings and click on the setting menu again or next to the tool to close the menu.
Click on the button at the bottom right of the bar to present one or two thermometers. If two thermometers are presented, an eye icon will appear in the top-right corner. Click on the eye icon to display the difference in temperature and click on the icon again to hide this information.
