Practice pronunciation English

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Chemistry Helper allows to discover chemical reactions and to solvethe chemical equations with one and several unknown variables. Theapp discovers the equations of chemical reactions even if the rightor left part is unknown, helps you with organic and inorganicchemistry. The discovered reactions in an usual and ionic aspectwill be mapped and formulas of organic chemistry are drawn for you.★Feature: - Periodic table is very convenient . You can press achemical element in the table to look some the information. - Thetable of solubility of substances is added in the app. Now yourtextbooks become waste! - Electronegativity table extremely easy tounderstand - FREE – It is completely free - Small Size (few MB) –The app will only take a small portion of your Android devices. -Simple and easy to use interface. The app come with an userfriendly function, allowing you to use with ease. - Support multilanguage The best solver of chemical equations for everyone. Tags:Chemistry Dictionary, Chemistry , Chemical Dictionary, Chemical ,Organic , Inorganic , metal , nonmetal

TOEIC Listening Practice application is anapplication that allows users to practice the questions accordingto the current format of the TOEIC.The application includes 4 parts in the Listening:Part 1: Answer by imagePart 2: Questions - AnswersPart 3: Short ConversationsPart 4: Speech ShortWe look forward to receiving comments and ideas you about thissoftware. We will increasingly perfected it to cater for the TOEICexam preparation Vietnam is getting better.Wish you learn English well, had the best results with the TOEICListening Practice software Toeic

All physical formulas , calculator and tools

Luyện phát âm Tiếng Anh

TOEFL Listening Practice is designed withstandard format of TOEFL-listening (You can use them for IELTS ,and TOEIC also):1. Conversations2. LecturesWe look forward to receiving comments and ideas you about thissoftware. We will increasingly perfected it to cater for the TOEFLexam preparation is getting better.Wish you learn English well, had the best results with the TOEFLListening Practice software TOEFL