Perform mathematical calculations with support for parentheses and decimals. Save and reuse formulas or results. View calculation history with color coding, dates, and . Calculate totals from selected entries. Move or duplicate history entries.
Check visual acuity by reading text from a distance. Test for astigmatism with a simple assessment. Identify color blindness by drawing numbers from a screen. Capture an eye image using the phone camera for disease evaluation.
The app offers a large, visible countdown timer with simple, distraction-free design. It includes countdown and count-up modes, a clear time's up screen, and timeout sounds.
Modify car wheel hubs by selecting from various designs and previewing the effect instantly. Change vehicle body colors to different shades for a customized look.
The app connects to the Bullseye Camera System, allowing users to view shots from up to one mile away. It provides features for marking, coloring, reviewing, and measuring shots, along with target games.