孩子学习成绩上不去？推荐这几款手机APP！
01 Quick Trip Dictionary Chinese Dictionary
Quickly check Chinese dictionary, with a very comprehensive Chinese character dictionary, including phrase, idiom, dictionary, synonym, antonym, and Baidu search, etc. , Simple, powerful features, is deeply liked by users, is a must-have artifact of teacher, parents and students, learning exams.
The software currently supports both Android, iOS, iPad multiple systems, suitable for primary school, junior high school, high school use.
It has a very comprehensive font, including more than 20,000 international Chinese characters. No matter what a snap word, you can query here, and it also supports a variety of query methods, including: Pinyin inquiry, ministry query, stroke query, photo query.
It also supports phrase and idiom queries, which can be input directly in search box. It also shows information about the phrase, idioms, such as pinyin, synonym, antonym, interpretation, supplementation, sentence, interactive encyclopedia.
In addition to the query function, it still has a very comprehensive system learning function. There are various materials and courses here, the information is almost completely free, the price of the course is relatively, we can ignore. The resources under other columns are completely free, there are primary school words, from the first grade to sixth grades; there are junior high school, high school learning materials, including classical Chinese vocabulary, composition materials, idioms and words analysis, easy tolerance Words, etc., as well as general learning materials, including: Chinese level test, standardist, Chinese characters, people in the family, the characters in idioms, China idioms Daquan.
And the software also combines learning and games, through these interesting small games, greatly improves children to learn enthusiasm and initiative. For example, the idioms, the other, you can start the corresponding level of game after choosing a good learning phase, there are three chances, answering a chance to deduct a chance; Chinese characters eliminate music, need to eliminate the same sound in the specified time, time will Leader, but the corresponding words and difficulty will increase, failure will be ruthlessly ridiculous.
In addition to these two games, there is Flappy Word and Magical Eighteen. Every game is very fun, and it has certain challenges, I can play all day.
02 Microsoft mathematics 
calculation: real number, plural, * big convention, * small male, due to digital decomposition
Primary algebra: Founder, Index (Power) operation , Score
algebra: 1 yuan secondary equation, equation, inequality, album type, linear equation mapping, one dollar secondary equation mapping, etc.
calculus: sum: , Points
Statistics: Average number, median, mold, standard deviation, arrangement, combination
software is completely free, no ads, support Android, iOS, iPad And the PC side.
Software supports the photo search mode, only need to take a picture to scan a mathematical calculation, you can get a detailed step explanation and coordinate map. If there is a variety of solutions, the software will all be listed, click to view the detailed steps. You can also view the specific steps, and the specific ideas of this step also have a detailed description.
It also supports handwriting input and * scientific calculator keyboard input. The handwritten input is smooth, the recognition rate is high, the keyboard input is very comprehensive, and all mathematical symbols are included.
The software also generates the same type of exercise based on the search record for consolidation. This software is not only suitable for primary school, junior high school, high school, and even some mathematical problems of universities. It can also be solved. 
03 Perfect Wanwang
Perfect Wanwang, Based on Cambridge MFU Language Learning Theory, inviting Hollywood actors to launch video real-view words, North America Landmark real scene, like hindling in the overseas life scene, sinking into the realistic context, practice pronunciation, learn examples. 
The software provides very rich and comprehensive English vocabulary, while these words have been classified accordingly, including universities, abroad, comprehensive, industry, primary school, junior high school, high school, and Cambridge. There is also a more detailed category below each class, such as universities including four and six-level vocabulary, special four and special eight vocabulary, postgraduate and examinations, monographs, adult undergraduate vocabulary.
True scene
software features that each word has Hollywood actors leading, and detailed to each syllable, learn from non-mother Provide more pureThe pronunciation of pronunciation, restore the nature, and also provide scene conversations of the word.
Software also supports American English and English pronunciation, mean, philosophical, free Collins dictionary, Chinese and English example sentences, stem cases, related vocabulary, and thousands of netizens Share wonderful help. At the same time, there is also fun of the original congestion drama, and the real scene dialogue is easy to understand. Each video is roughly divided into three contents, first a no-curtain conversation, then there is subtitle to help, then thinking words, and finally some related exercises are consolidated, each video is within two minutes.
This English learning software is very novel, special, professional, and is very suitable for learning English. Its learning method is diversified, the subject type, the subject type, the subject, the spelling, the comprehensive, and the listening area listening words (walking can also be on the way to practice pronunciation), practice pronunciation (score for oral pronunciation) .
04 World APP 
It has a lot of features, such as relationship maps, where you can get the relationship between people, things, and objects in the world. Enter keywords on the relationship map, which will appear in this keyword-centered distributed chart, click on any person or event of the map, you can see detailed specific content, as well as some related expansion.
Alluzzles, including historic information of the world, including its relationship map, 3D and 360 view, outlined, national, latitude and weft coordinates, type, certification, guided Route, etc. Fully music, currently produced Western music and Chinese music, world-ethnic music is being carefully made, these music are classified in the period, musicians, musical instruments, genre, people, musical instruments, music, each classification There is also a specific introduction of the category, and the songs here are support for free audition.
In addition to these additions mentioned above, there are many other channels, including: country history, Chinese history, full war, full paintingFor the history of science, the history of science, the whole country, the world history, the universe, the AB path, etc., each is very interesting.
05 Chemical Formula App
The chemical equation is a very convenient and fast and complete chemical query tool, which has unique search technology and display technology. Suitable for most of the high school needs. Currently, the software is completely free, no ads, only the Android version.
The software contains five major modules, namely equation, common name, color, material and cycle table. Each module is closely combined, complement each other, can help us more comprehensive learning and cognition. 
The equation includes a chemical equation and an ion equation, and each chemical equation has a specific description, and the ion equation is also conditional and systematic overview.
The common name module is the common names of each substance corresponding to the scientific name; the color module has a detailed description of the status and color of the substance. After clicking the substance, you can also see a brief introduction to the material; The module has been described in detail in the physical properties, chemical properties, use, and method of conduct of substances.
The periodic table module is very clear. It has a corresponding indicator of each element in accordance with different attributes. After clicking an element, you can see all related information, including: Element English name. , Chemical symbols, atomic numbers, relative atomic volumes, atomic structures, electronic models, discovery time and characters, sources, use, physical properties, chemical properties, crystal structures, geological data, biological data. 
We all know that good tools can improve our efficiency, and these good learning software can greatly improve their child's learning efficiency.