Participate in a UI design challenge by creating a calculator app interface in Figma during this 43-minute tutorial. Begin with a simple wireframe and progress to designing two pages for the application. Download the starter file, learn to utilize resources like iPhone 14 Pro templates, Font Awesome icons, and JetBrains Mono typeface, and explore color selection tools. Upon completion, submit your design to the Figma community and showcase your newly acquired skills in UI design and Figma proficiency.