Friday, 1 February 2013

iDevBooks Algebra, Fractions and Decimal Apps and a Giveaway


Today we are featuring iDevBooks apps related to Algebra, Fractions and Decimals. We have also included their new app released this week Decimal Rounding.


Decimal Rounding


By Esa Helttula

This app is designed for both iPhone and iPad
  • $3.99
  • Category: Education
  • Released: Jan 27, 2013
  • Version: 1.0
  • Size: 1.4 MB
  • Language: English
  • Seller: Esa Helttula
Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.3 or later. This app is optimized for iPhone 5.

iTunes link

Description

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, hundredth or thousandth. They can also be rounded to 0, 1, 2 or 3 decimal places.

The app guides you step by step when you solve each problem and there are no penalties for wrong answers. Clean interface and the total lack of timers ensures a stress free learning environment.

Features and settings:

-Each decimal number can have 2-8 digits
-Problems can be random or custom
-Colors of the interface can be changed
-The speed of the animations can be set
-Different interface on iPhone and iPad
-Works in portrait and landscape orientation on the iPad 
This app has no ads or in-app purchases and it does not transmit any data during the operation of the app. This app also does not contain any links to other apps or the web.
From the Developer ~ "The idea for Rounding Decimals app came from a customer who needed an app about decimal rounding for her special needs daughter. The customer had not found any suitable app on the App Store and had used my apps before. So I decided to make an app for them."

We have 7 copies to give away. Please enter via the Rafflecopter below.
Video Demo 

Fraction Math


By Esa Helttula

This app is designed for both iPhone and iPad
  • $3.99
  • Category: Education
  • Updated: Oct 04, 2012
  • Version: 2.3
  • Size: 7.0 MB
  • Language: English
  • Seller: Esa Helttula
Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.3 or later. This app is optimized for iPhone 5.

iTunes link

Description

The Fraction Math app can be used to teach and study fractions by solving addition, subtraction, division and multiplication problems with fractions step by step. Wired.com: "Quite a useful app for learning many fraction computations." The Fraction Math app can handle positive and negative fractions, improper fractions, whole numbers and mixed numbers. The user can also reduce the resulting fractions. Based on customer feedback this new version has the option of using custom problems where the user can input his/her own fractions, mixed numbers, and whole numbers. The app has also an illustrated glossary of the most commong terms.
Polynomial Long Division

By Esa Helttula

  • $3.99
  • Category: Education
  • Updated: Aug 21, 2012
  • Version: 1.1
  • Size: 2.6 MB
  • Language: English
  • Seller: Esa Helttula
Requirements: Compatible with iPad. Requires iOS 5.0 or later.
Description
With the Polynomial Long Division app you can practice dividing polynomials with a step-by-step method. And you can get additional help at each step. The Polynomial Long Division app has several settings that allow you to set the difficulty to suit your needs. You can either pick answers for each step from multiple choices or you can type in the answers yourself. The former method is a great way to start using the app and then later you can start to type in your answers. Eventually you can hide the current division, multiplication, or subtraction step and solve the problems without any help. You can have positive and negative coefficients that can be whole numbers or fractions. You can control how hard random problems the app generates. And you have complete freedom to set your own problems. The dividend can be a forth-degree polynomial and the divisor a third-degree polynomial. When you type in your answers you can use a custom keyboard that enables you to enter variables and exponents with just one tap. Each keyboard in the app also contains a built-in calculator. For several types of division, subtraction, and multiplication steps the app contains help balloons that break the steps into even smaller sub steps that help you solve the steps. Just tap the “Help me” button to open a balloon that will guide you to enter the correct answer.

Polynomial Addition and Subtraction


By Esa Helttula

  • $3.99
  • Category: Education
  • Released: Sep 12, 2012
  • Version: 1.0
  • Size: 2.5 MB
  • Language: English
  • Seller: Esa Helttula
Requirements: Compatible with iPad. Requires iOS 5.0 or later.

iTunes link

Description

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 most recent problems and allows you to play back previously solved problems. You can play back problems step by step or with an animation. You can stop the playback at any time and continue to solve the problem yourself. The app has several settings that allow you to set the difficulty to suit your needs. You can either pick answers for each step from multiple choices or you can type in the answers yourself. The former method is a great way to start using the app and then later you can start to type in your answers. Eventually you can hide the current subtraction or addition step and solve the problems without any help. You can have whole number and fraction coefficients and you can control how hard random problems the app generates. And you have complete freedom to set your own problems with up to forth-degree polynomials. When you type in your answers you can use a custom keyboard that enables you to enter variables and exponents with just one tap. Each keyboard in the app also contains a built-in calculator. For several types of steps the app contains help balloons that break the steps into even smaller sub steps that help you solve the steps. Just tap the “Help me” button to open a balloon that will guide you to enter the correct answer.

Polynomial Multiplication


By Esa Helttula

  • $3.99
  • Category: Education
  • Released: Sep 04, 2012
  • Version: 1.0
  • Size: 2.4 MB
  • Language: English
  • Seller: Esa Helttula
Requirements: Compatible with iPad. Requires iOS 5.0 or later.

iTunes link

Description

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 and allows you to play back previously solved problems. You can play back problems step by step or with an animation. You can stop the playback at any time and continue to solve the problem yourself. The Polynomial Multiplication app has several settings that allow you to set the difficulty to suit your needs. You can either pick answers for each step from multiple choices or you can type in the answers yourself. The former method is a great way to start using the app and then later you can start to type in your answers. Eventually you can hide the current multiplication, or addition step and solve the problems without any help. You can have positive and negative coefficients and you can control how hard random problems the app generates. And you have complete freedom to set your own problems. The multiplicand can be forth-degree polynomial and the multiplier a third-degree polynomial. When you type in your answers you can use a custom keyboard that enables you to enter variables and exponents with just one tap. Each keyboard in the app also contains a built-in calculator. For several types of multiplication steps the app contains help balloons that break the steps into even smaller sub steps that help you solve the steps. Just tap the “Help me” button to open a balloon that will guide you to enter the correct answer.
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