Offers puzzles with five difficulty levels: beginner, easy, medium, difficult, and top. Includes 999 special skill questions. Features random generation, search, and random retrieval. Supports SE 1.2 to 11.9.
by 子诚 王★ 4.815 ratingsUtilities$1.99Data updated 2026-09-19
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Generate numbers with customizable range and decimal places. Set preferences for sound and vibration feedback. Switch between light and dark modes. Share results directly.