It’s easy to change the size of ClearCalcs to make things bigger or smaller depending on your preference. You can also use the following keyboard shortcuts to zoom in or out on Mac or PC on most web browsers: First, open calcs.com in your web browser, then:
  • Make everything larger:
    • Windows and Linux: Press Ctrl and +.
    • Mac: Press ⌘ and +.
  • Make everything smaller:
    • Windows and Linux: Press Ctrl and -.
    • Mac: Press ⌘ and -.
  • Use full-screen mode:
    • Windows and Linux: Press F11.
    • Mac: Press ⌘ + Ctrl + f.