Perform calculations with numbers in polar or rectangular form. Add, subtract, multiply, and divide numbers. Calculate powers and roots. Switch between degrees and radians. Convert between polar and rectangular coordinates.
by Anton Arulvannan Sathyaseelan★ 0.00 ratingsEducation$0.99Data updated 2026-09-06
Practice with customizable levels and track progress
Practice mental with customizable difficulty levels and multiple game modes. Track player progress and compete in multiplayer sessions. Includes timer challenges and a watermelon game for addition practice.
Practice with addition, subtraction, multiplication, and division for numbers 0 to 9999. Solve mixed operations tailored to each grade level. Review historically recommended problems to improve skills. Use draft mode for calculation practice.
A calculator with large buttons and a big display. Perform addition, subtraction, multiplication, and division. Features a Retina display for clear viewing.
Solve equations with addition, subtraction, multiplication, and division. View step-by-step working to understand solutions. Handle mixed and partial fractions. Convert between decimals and fractions. Find factors of numbers or common factors.
Send challenges via text to friends, siblings, or family. Earn Bragging Rights and Coins for correct answers. Track XP and climb leaderboards. Play VS mode or solo practice.
Learn number sense and math through interactive games. Trace letters and numbers, practice writing words, and explore phonics and reading. Access a curated curriculum with expert-developed content for early childhood education.
Perform complex number calculations and trigonometric functions. Handle matrix operations and numerical root finding. Calculate integrals and statistical values including linear regression. Write and execute custom programs. No ads or in- purchases.
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.
Learn basic operations through interactive activities. Solve word problems and validate expressions. Match values to equations and select correct operators. Solve algebraic equations for X and compare equations for equality.
Learn number sense and math through interactive . Trace letters and numbers, practice writing words, and explore phonics and reading. Access a curated curriculum with expert-designed activities to build curiosity and confidence in young learners.
Calculates expressions as you type and stores answers for reuse. It includes four tabs with distinct colors. Users can multiply numbers, calculate tips, and find square roots without resetting. Graph 2D and 3D functions with a single touch.
With symbolic algebra, equation solving, and calculus functions. Supports fractions, repeating decimals, and high-precision numbers. Displays results as simplified expressions or numerical values.
Calculate in binary, hex, and decimal simultaneously
Convert numbers between binary, hexadecimal, and decimal bases. Display all three bases simultaneously. Switch input modes and see results in all bases. Perform arithmetic, logic, and bitwise operations. Support unsigned and 2’s complement numbers.
Solve math problems from basic arithmetic to advanced algebra. Perform exact fraction calculations and store unlimited variables. Create custom functions and graph equations. Switch between exact and numerical modes.
Access all SKIDOS apps with one pass. Kids can play games to improve math skills, trace letters and numbers, watch educational videos, and develop logical thinking.
Teach time concepts with interactive clock animations showing second, minute, and hour hands. Include quizzes to assess time-telling skills. Offer trivia questions on culture, science, and time.