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Mental Abacus App & Demo Series
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All-In-One Self-learning Interactive eBook!
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Mental Arithmetic, originated in China as Zhusuan by means of abacus, is an ancient art of mental math. Mental Abacus is a self-learning package for fundamentals to mixed addition and subtraction, as well as multiplication and division. With the facility of illustrated tutorials and powerful step demonstrator "Abaculator", you can master the skills of abacus mental arithmetic effortlessly.
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| Fundamental (w. Games) |
Fundamental |
Intermediate |
Advanced |
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 App Features |
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| Audience | Kids | Tutors / Self-learners |
| Level | Fundamental | Intermediate | Advanced |
| Tutorials |  | | | |
| Abacus Games | | | | |
| Abaculator | | | | |
| Setting numbers | | | | |
| Addition | | | | |
| Subtraction | | | | |
| Multiplication | | | | |
| Division | | | |
Decimal Division
Rounding Pitfall |
| Multiplicative Pithy Formula | | | | |
| Rapid Calculations | |
Addition
Subtraction | |
Multiplication |
| Negative Numbers | | | | |
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Powerful Elaborating Demonstrator! |
| Questions? No problem! Just enter any number or equation, Abaculator will show you every step with detailed description and explanation. You can adjust the settings, pause and continue whenever you need, or even switch to show set of steps for other number or equation in the middle of the demonstration.
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 | Enter any number or equation e.g. 976.18, 37-11, 45+18-24, 78*21, 216/18 |
| Choose the preferable settings for multiplication or division equation |
| Pause and continue the step for detailed observation at any time |
| Step-by-step both hands fingering method is illustrated with explanation |
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Teaching in Graphics |
| Rather than explaining all abacus concepts and theories in words, each of them is expressed in abundant illustrations and diagrams, eliminating any language barrier, clarifying complicated idea, and simplifying difficult key point. The comprehensive tutorials contain ample examples at the same time. Each example is explained with detailed step-by-step actual procedures, even a total beginner will be able to follow! |
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Interactive Examples |
| Apart from the illustrations and diagrams for concepts and the corresponding examples, there are several embedded interactive tools to enhance the learning effectiveness. These demonstrators apply the technique learnt in the tutorials, assist in assuring the important concept in the respective aspect is well-understood.
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Plenty equations are provided as examples to reinforce how the skills and techniques should be applied, as well as offering opportunity for user to practise together.
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Multiplicative Pithy Formula is a very useful technique. The mechanism is to manipulate the number digit by digit, observe and examine the procedures in detail.
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To observe the ultimate process of Multiplicative Pithy Formula, simply enter any number for a complete step-by-step solution, whenever you are in doubt.
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Virtual Abacus Interface |
| Built-in virtual abacus enables you to follow the lessons and practice the two hands fingering methods on the abacus at the same time. You can follow the illustrated tutorial step, solve the examples side by side on the virtual abacus by yourself, and check with the demonstration steps provided on the page as well.
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| Utilised with multi-touch on iPad allows beads driven by multi-finger gestures |
| Simulated 10-rod abacus supports two-handed fingering method |
| Accompanied with tutorial encourages instant practice of technique and theory |
| Draggable units rod to accomodate any number length whenever necessary |
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Books Summary |
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| Mental Abacus |
| Getting familiar with the basics and fundamentals of abacus learning: |
| Two hands fingering method is introduced in detail |
| Basics to multiple digit numbers addition and subtraction |
| Rapid calculations are included to enhance speed and fun |
| Step-by-step practising along with Virtual Abacus everywhere |
| Abaculator provides demonstration for any number or equation |
| Comprehensive learning guide with numerous examples and illustrations |
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Mental Abacus
Book 2 |
| Proceeding to every aspect and skill on intermediate abacus topics: |
| Two hands fingering method fosters right brain functions |
| Decimal to multi-digit multiplication with abundant examples |
| Learning the fast calculation technique - Multiplicative Pithy Formula |
| Full analysis and details on Quotient Estimate Methods of Divison |
| Dealing with all sorts of Division Revisions thoroughly |
| Abaculator with settings, drives beads and explains every step |
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Mental Abacus
Book 3 |
| In-depth studies on advanced abacus topics: |
| All kinds of Vedic Maths Tricks (Multiplication) |
| Multiplicative Pithy Formula Tricks |
| Abacus Decimal Division |
| Rounding to the nearest hundredth Pitfall |
| Dealing with Negative Numbers on Abacus |
| Abaculator auto determines the best rapid calculation method |
| Two hands fingering method fosters right brain functions |
| Assists in achieving the ultimate aim of abacus training, transforming visualized beads move on imaginary abacus and getting rid of the substantial abacus |
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About the Author |
Hamster Force is devoted to interactive software, and has profound experience in developing and publishing various educational titles since 2003. Hamster Force has over 15 years of experience in learning software implementation, we have a variety of abacus package that fits requirement of all ages with different levels.
Abacus is well-known for intelligence cultivation. Since learning Abacus usually involves theories and a great deal of exercises, in order to achieve the ultimate aim of mental arithmetic. While there is a short concentration span in children, most of the parents prefer to guide and learn with their children.
Mind Maths encourages children to acquire the knowledge through a series of interactive lessons, and attain fruitful drillings and exercises via games, getting rid of the dullness at the same time. It is widely adopted in local schools and welcomed by parents and children as the first step on the road to Abacus.
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