1. WolframAlphaÂ  :-

Remember the Star Trek computer? It’s finally happening–with Wolfram|Alpha. Building on 25 years of Development led by Stephen Wolfram, Wolfram|Alpha has rapidly become the world’s definitive source For instant expert knowledge and computation.
Across thousands of domains–with more continually added–Wolfram|Alpha uses its vast collection of Algorithms and data to compute answers and generate reports for you.

2. Numbler – Math Game :-

Youâ€™ve played games forming words from letters, but how well can you form equations from numbers?
Numbler is a game where players build math equations in a familiar crossword style board. All the mental fun of popular board and online word games, but with numbers instead of letters.

FEATURES:
â–Ş Simple and addictive gameplay that people love from well-known word games
â–Ş Challenge other players online or test yourself against the computer
â–Ş A fun and educational way for students to sharpen their math skills
â–Ş Suitable for all ages: children to adults

3. MathBoard :-

MathBoardÂ® is a highly configurable math app appropriate for all school aged children. Beginning in kindergarten, with simple addition and subtraction problems, through elementary school where learning multiplication and division can be a real challenge. MathBoard will allow you to configure the app to best match the abilities of your individual child/student.

MathBoard is a highly configurable math app appropriate for all school aged children. Beginning in kindergarten, with simple addition and subtraction problems, through elementary school where learning multiplication and division can be a real challenge. MathBoard will allow you to configure the app to best match the abilities of your individual child/student.

4. Math Ref :-

Math Ref is an award winning education app. Browse over 1,400 formulas, figures, and examples to help you with math, physics, chemistry and more. Use an expanding list of helpful tools such as a unit converter, quadratic solver, and triangle solver to perform common calculations.
Features:
-Tools: Ranging from Algebra to Physics
-Favorites: Easily save equations in groups
-Search: Easily find what you’re looking for
-Print Support: Print equations or groups

5. Sushi Monster :-

Meet Sushi Monster! Scholasticâ€™s new game to practice, reinforce, and extend math fact fluency is completely engaging and appropriately challenging.
Strengthen reasoning strategies for whole number addition and multiplication by helping monsters make a target sum or product. Earn points with each correct answerâ€¦ but watch out for distractions! To be successful, plan ahead and strategically select numbers from the sushi counter.