The app presents a geometric puzzle game based on the concept of kyouen. Players select stones to form arrangements where all four lie on a common circle.
Percentages by entering two of three variables. Use a modified key layout to input values. Store calculations in a history log. View detailed solutions with step-by-step explanations. Support for fractions, decimals, and constants.
View material breakdown with interactive pie charts showing composition, weight, and estimated values. Calculate potential refunds by entering material weights. Find nearby recycling centers using Google Maps by zip code.