Cross Math Puzzles 與 Maths Formulas 使用情況與統計

Fun and challenging! Practice your math skills and logical thinking abilities with Cross Math Puzzles. Cross Math Puzzles involve using whole numbers and integers to solve addition, subtraction and multiplication problems. The object of Cross Math Puzzles is to place the correct numbers in the empty cells of the puzzle so that the horizontal and vertical equations are true. Puzzles are randomly generated so an unlimited supply of puzzles are available. Cross Math Puzzles are a great for elementary students to practice their math skills. The app provides five different types of problems. The first level uses sums for whole numbers from 1 to 9. At level two a mix of addition and subtraction problems are presented. Level three involves multiplication of numbers from 1 to 9. When level four is selected, addition problems for numbers between -4 and +4. At level five addition and subtraction problems for integers between -4 and +4 are presented. Speech and sound effects make using Cross Math Puzzles fun for kids. A scoreboard keeps track of how many puzzles the student has solved.

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Maths Formulas

Available in many languages, "Maths Formulas" is a perfect app on App Store that provides all basic and advanced formulas in mathematics. It's very convenient for all students in high school or university and engineers to look for any easy or complicated formulas. It includes: - Geometry - Algebra - Trigonometry - Equations - Analytic Geometry - Differentiation - Integration - Units Conversion - Matrix - Probability and Statistics This app also has a number of tools to calculate the geometry shapes or find the roots of equations. Users can also share any formulas to friends by many ways: email, print, or Facebook. Not only for smartphones, this app is also suitable for tablets with compatible interfaces. New features of the app: - Multiple languages supported: English, French, Vietnamese, Chinese, Spanish, Japanese, German, Korean, Russian, Portuguese, Italian, Greek, Thai, Indonesian, Arabic, Hindi, Bengali, Malay, Turkish, Dutch, Polish, Romanian, Persian, Ukrainian, Azerbaijani, Hungarian, Swedish, Serbian, Khmer, Hebrew, Bulgarian, Czech, Kazakh, Uyghur and Uzbekistan (36 languages totally). Users can download other languages by setting in the language button. More languages to come soon. - Favorite folder: users can save frequently used formulas into this folder. - Search function: in each category, type on Search bar to quickly get a formula. - Add new category "Units Conversion": conversion of all common units. - Add new category "Transforms": formulas relating to Fourier and Laplace transforms (Full version only) - Add new formulas: 400+ formulas exclusive for Full version only. - Tools to convert units. - Tools to convert measurement units, including: Weight, Length, Area, Volume, Speed, Time, Temperature, Density, Force, Power, Pressure, Angle, Computer Data, and Fuel Consumption. - Add your own notes and formulas in "Favorite". - Add your own customised tools in "Tools" section (unlimited number of formulas and variables for Full version). A must-have app for your smartphones and tablets.