Showing 61–80 of 1,000 ranked alternatives.
Giorgi Beridze
Solve problems and track progress
Practice arithmetic with interactive cards and exercises. Choose problem types like addition, subtraction, multiplication, division, and percentages. Set number ranges and problem counts. Track time and problem completion. Pause and resume sessions.
Peikun Duan
Solve equations in 24 seconds
Solve puzzles by combining four numbers with arithmetic operations to reach 24. Users can customize difficulty levels, track progress, and challenge friends. Features include hints, a timer, and a variety of number combinations.
Blue Lightning Labs
Solve equations and techniques
Learn algebraic techniques through animated lessons and interactive . Solve equations with mental math strategies. Track progress through multiple difficulty levels. calculations to improve speed and accuracy.
NeuralPlay, LLC
Play , learn strategies, master the game
Play with AI opponents and partners. Learn strategies through analysis tools and customization. Track progress and practice bidding, melding, and teamwork. Play offline using single or double deck variations.
Evgeny Rubin
Solve problems instantly
Practice mental with interactive exercises to improve calculation . Solve arithmetic problems quickly and track progress over time. Compete against time and yourself to enhance skills.
Vlad Polyanskiy
Measure sound levels and analyze frequencies
Measure sound levels with a precision instrument featuring a . Calibrate against professional dB meters. Log noise data and set decibel thresholds. Display real-time sound level readings and frequency analysis.
Debbrata Das
Practice questions and track progress
Practice AFQT and full tests with 2000+ exam-like questions. Cover all test sections. Track progress with prediction tests. Prepare for army, navy, air force, marine, and coast guard entrance exams.
Masaki Kanno
Train and improve memory skills
Offers memory and calculation exercises to enhance cognitive skills. Users can save up to four data profiles for family use. difficulty adjusts based on accuracy, with levels increasing as performance improves. A test is available to assess progress.
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