Esa Helttula 提供アプリ一覧

[ 教育 ]

This math app is about the concept of order of operations. The user can evaluate random and custom expressions with exponentiation, division, multiplication,...

Polynomial Long Division

[ 教育 ]

600円

Wired.com: "It’s fantastic for helping kids (and grown-ups) practice polynomial manipulation and division. I can’t recommend Esa’s math apps enough." With t...

Polynomial Addition

[ 教育 ]

600円

With the Polynomial Addition and Subtraction app you can practice adding and subtracting polynomials with a step-by-step method. And you can get additional h...

Polynomial Multiplication

[ 教育 ]

600円

With the Polynomial Multiplication app you can practice multiplying polynomials with a step-by-step method. And you can get additional help at each step. Th...

Fraction as Slope

[ 教育 ]

600円

The Fraction as Slope app provides algebra students a new visual way to think about slope and fractions by showing how fractions are slopes. This provides an...

Long Division

[ 教育 ]

600円

The Long Division app has been featured by Apple in "New & Noteworthy", "Math - Numbers & Operations", and in "Math Apps for Middle School". Educational App ...

Fractions Decimals Percentages

[ 教育 ]

600円

This math app is about visually exploring how percentages and decimals are just special kinds of fractions with their own notation. There are no tasks to com...

Grid Multiplication

[ 教育 ]

600円

This math app can be used to teach and study the grid multiplication method. The app is easy to use and it has an intuitive interactive interface with custom...

Whole Number Rounding

[ 教育 ]

600円

This math app can be used to teach and study the rounding of whole numbers. You can set your own problems or solve random problems. The numbers to be rounded...

Column Subtraction

[ 教育 ]

600円

This math app can be used to teach and study the column subtraction method. The app is easy to use and it has an intuitive interactive interface with customi...

Fraction Math

[ 教育 ]

600円

The Fraction Math app can be used to teach and study fractions by solving addition, subtraction, division and multiplication problems with fractions step by ...

Vedic Multiplication

[ 教育 ]

600円

This math app is about a multiplication technique introduced by Shri Bharti Krishna Tirthaji in his book “Vedic Mathematics”, published in 1965. Tirthaji cla...

Long Multiplication

[ 教育 ]

600円

This universal app is part of a set of idevbooks math apps. Reviewed by Wired.com: "A Set of Excellent iPhone Math Apps for the Older Child”. The Long Mult...

Lattice Multiplication

[ 教育 ]

600円

This app can be used to teach and study the ancient lattice multiplication method. Solving lattice multiplication problems is also excellent times tables pra...

Partial Quotients Division

[ 教育 ]

600円

This math app can be used to teach and study the partial quotients division method. The app is easy to use and it has an intuitive interactive interface with...

Partial Product Multiplication

[ 教育 ]

600円

This math app can be used to teach and study the partial products multiplication method. The app is easy to use and it has an intuitive interactive interface...

Column Addition

[ 教育 ]

600円

This math app can be used to teach and study the column addition method. The app is easy to use and it has an intuitive interactive interface with customizab...

Place Value Addition

[ 教育 ]

600円

Understanding the concept of places and values in the base then system is essential for long-term understanding. In addition place value is essential to the ...

Place Value Multiplication

[ 教育 ]

600円

Understanding the concept of places and values in the base then system is essential for long-term understanding. In multiplication place value is essential t...

Partial Sums Addition

[ 教育 ]

600円

This app can be used to teach and study the partial sums addition method. The app is easy to use and it has an intuitive interactive interface with customiza...

Decimal Rounding

[ 教育 ]

600円

This math app can be used to teach and study the rounding of decimals. You can set your own problems or solve random problems. The decimal numbers can be rou...

German Long Division

[ 教育 ]

600円

The German Long Division app can be used to teach and study the German long division method. The user can solve custom and random division problems with smal...

Partial Difference Subtraction

[ 教育 ]

600円

This math app can be used to teach and study the partial differences subtraction method. The app is easy to use and it has an intuitive interactive interface...

European Long Division

[ 教育 ]

600円

The European Long Division app can be used to teach and study the long division method that is used in several European countries. The user can solve custom ...

Place Value Division

[ 教育 ]

600円

Understanding the concept of places and values in the base then system is essential for long-term understanding. Division using place value discs emphasizes ...

Trade-First Subtraction

[ 教育 ]

600円

This app can be used to teach and study the trade-first subtraction method. The app is easy to use and it has an intuitive interactive interface with customi...

Trade-First Subtraction

[ 教育 ]

600円

This app can be used to teach and study the trade-first subtraction method. The app is easy to use and it has an intuitive interactive interface with customi...

Multi-touch Fractions

[ 教育 ]

600円

Explore division of one unit into fractions with multi-touch. Touch any fraction of the unit with two or more fingers to further divide it by the number of t...

Place Value Subtraction

[ 教育 ]

600円

Understanding the concept of places and values in the base then system is essential for long-term understanding. In subtraction place value is essential to t...