推荐理由：《Math 42》是一款适用于苹果系统的教育类软件APP。MATH ④② helps students from the ⑤th to the ①②th grade with math — starting with homework to the preparation for tests — by (①) presenting intelligent recommendations, showing how to solve a problem, by (②) giving detailed, illustrated step by step solutions, and (③) a Training and Test Mode that allows you — thanks to statistics — to evaluate your progress and improve yourself. Problems and Solutions can be posted on Facebook or sent per eMail.《Math 42》大小3.0MB，在本站深受8424位玩家喜爱和下载。要找等，赶紧下载到手机吧。
Mathematics and expensive tutoring are the Nr. ① problem of parents and students. MATH ④② is the answer to this problem by basically eliminating the need for an expensive tutor. It is always close at hand and accessible thanks to its offline operation.
NEW The entire functionality including the training exercises and tests are comprised in the purchase price.
Assessment Center (from Version ①.⑤)
• More than ③⑧⓪ exercises available per topic and level.
• Training Mode for exercising, with the possibility to go through each problem step by step afterwards.
• Test Mode for a realistic evaluation of your math skills.
• Tests comprise between ⑤ and ②⓪ exercises depending on topic and level, which have to be solved at a stretch.
• Test evaluations and statistics allow you to look at your progress over time.
• The red-yellow-green display makes it even easier to spot your strengths and weaknesses.
• Tests und exercises have been compiled in collaboration with experienced private math tutors, educators and teachers.
Features
• Simple entry of problems including variables, parameters and numbers - as simple as a normal calculator without complicated commands.
• Intelligent suggestions - show you how a problem can be solved using different paths organized by methods used.
• One touch suffices to get the answer step by step, like with a good math tutor, including the possibility to hide and show specific steps.
• Detailed explanations for every step and every notion.
• Intelligent plotting function - Zeros, maximums, minimums, turning points, asymptotes and areas of definitions of functions are displayed.
• Innovative calculator - processes variables and numbers in an expression and displays its calculations step by step in a comprehensive simple way.
• Free choice of the unknown when solving an equation or deriving a function
• Sharing function - Problems and step by step answers can be posted on Facebook or sent by eMail for a receiver to import onto his MATH ④② with just one click.
• Automatically saves all problems.
• Help adapted to context.
Mathematics
• Simplification of terms - simplification of signs, summery of terms, factorization and binomial expansion of terms, rearrangement of terms ...
• Fractions Addition, multiplication, simplification, reduction of complicated fractions.
• Linear equations
• Equations including fractions
• Quadratic equations
• Systems of linear equations
• Polynomials
• Derivation Sums, degrees, products, quotients, chains, powers, roots, trigonometry....
• Graphic curve sketching
Technology
• MATH ④② works without templates or preformed answers.
• The problem at hand is solved on-the-spot, like a real math tutor.
• MATH ④② is an algebraic system that works symbolically.
• MATH ④② uses artificial intelligence (intelligent propositions and answers...).
• MATH ④② does not require a internet connection. It operates completely offline.
• The entire intelligence behind MATH ④② is included within the program.
【用户精彩点评】
“功能非常全面，也非常简单上手。一般学生所需要的功能都包括在内，解答步骤也非常详细。” ----夜久益深
“这个确实非常好解决啦我在数学上的方程难题，当然，最好先做完再去对，不能老依赖这个呵呵” ----脱离90后
“很好用” ----李三叹
