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Toutes les applications du développeur Esa Helttula

Trade-First Subtraction

macOS / Education

v1.0 Il y a 12 jours

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 customizable colors and other settings. The...

3,99€ au lieu de 4,99€

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Visual Order of Operations

iPhone / Education

v5.0 Il y a 10 mois

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

3,99€ au lieu de 4,99€

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Decimal Rounding

iOS Universel / Education

v6.5 Il y a 1 an

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 rounded to nearest whole number, tenth,...

3,99€ au lieu de 4,99€

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Fractions Decimals Percentages

iPhone / Education

v2.5 Il y a 1 an

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 complete or problems to solve. The...

3,99€ au lieu de 4,99€

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Whole Number Rounding

iOS Universel / Education

v6.5 Il y a 1 an

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 can have up to 8 digits. The Whole...

3,99€ au lieu de 4,99€

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Polynomial Addition

iPhone / Education

v4.5 Il y a 1 an

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 help at each step. The app saves your...

3,99€ au lieu de 4,99€

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Polynomial Multiplication

iPhone / Education

v4.5 Il y a 1 an

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. The app saves your most recent problems...

3,99€ au lieu de 4,99€

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Grid Multiplication

iOS Universel / Education

v6.5 Il y a 1 an

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 customizable colors and other settings. ...

3,99€ au lieu de 4,99€

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Long Multiplication

iOS Universel / Education

v6.5 Il y a 1 an

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 Multiplication math app can be used to...

3,99€ au lieu de 4,99€

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Long Division

iOS Universel / Education

v6.5 Il y a 1 an

The Long Division app has been featured by Apple in "New & Noteworthy", "Math - Numbers & Operations", and in "Math Apps for Middle School". Educational App Review (iear.org): "This app is...

3,99€ au lieu de 4,99€

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Column Subtraction

iOS Universel / Education

v6.5 Il y a 1 an

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 customizable colors and other settings. The...

3,99€ au lieu de 4,99€

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Column Addition

iOS Universel / Education

v6.5 Il y a 1 an

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 customizable colors and other settings. The user...

3,99€ au lieu de 4,99€

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Place Value Addition

iPad / Education

v2.5 Il y a 1 an

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 concept of regrouping. This math app...

3,99€ au lieu de 4,99€

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Place Value Division

iPad / Education

v2.5 Il y a 1 an

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

3,99€ au lieu de 4,99€

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Place Value Multiplication

iPad / Education

v2.5 Il y a 1 an

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

3,99€ au lieu de 4,99€

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Place Value Subtraction

iPad / Education

v2.5 Il y a 1 an

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 the concept of regrouping. This math...

3,99€ au lieu de 4,99€

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German Long Division

iOS Universel / Education

v2.0 Il y a 1 an

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 small and large numbers. Endorsed by...

3,99€ au lieu de 4,99€

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Vedic Multiplication

iOS Universel / Education

v7.0 Il y a 1 an

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

3,99€ au lieu de 4,99€

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Multi-touch Fractions

iPhone / Education

Baisse de prix v2.5 Il y a 1 an

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 touches. Touch two or more fractions...

3,99€ au lieu de 4,99€

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Fraction as Slope

iPhone / Education

Baisse de prix v2.5 Il y a 1 an

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 opportunity to increase conceptual...

3,99€ au lieu de 4,99€

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Polynomial Long Division

iPhone / Education

Baisse de prix v4.5 Il y a 1 an

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 the Polynomial Long Division app...

3,99€ au lieu de 4,99€

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