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Long Division |
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Long Multiplication |
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Column Addition |
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Column Subtraction |
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Alternative Algorithms |
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Lattice Multiplication |
Current known bugs in iDevBooks Apps
There are currently no known bugs. If you have found a bug please report it using the feedback form.
Please also send feedback if you have a request for a new feature.
Requests for new features in iDevBooks Apps
Long Division
Feature: Skip the first steps in a problem if the quotients are 0
Status: Was implemented in the 2.3 update in March 2012
Feature: Store solved problems and send answers by email to teacher
Status: Should be implemented in the next 2.3 update or in a separate 2.4 update.
Multiplication Table
Feature: Allow the demonstration of the Sieve of Eratosthenes
Status: Will be implemented in the next update.
Feature: The ability to find least common multiples and greatest common factors
Status: Will be implemented in the next update or immediately after that.
Feature: Factor trees
Column Subtraction, Trade-First Subtraction
Feature: Decimals
Status: Will be implemented during the summer 2012.
Fraction Math
Feature: Allow the user to find the common denominator and calculate the numerator by himself, without the help of the program
Recently fixed bugs in iDevBooks Apps
Fraction Math
The bug:
Setting custom problems does not work on the iPod Touch and iPhone
When the bug was fixed:
The bug was reported August 9 and a fix submitted to Apple August 10 2012.
Visual Multipication Table
When the bug could happen:
The app did not work on the new iPad (3rd generation)
Partial Sums Addition
When the bug could happen:
- Sometimes the digits were not aligned properly when the numbers in the problem had three digits.
The bug has been fixed
The bug was reported March 2 2012 and an update was submitted to Apple March 3 2012.
Fraction Math
When the bug could happen:
- When whole numbers are allowed and the other side of the term is a whole number and the other side a fraction AND the problem was generated by the app.
- The user selects "convert the whole nuber into a fraction". The new fraction will be 0/0 in all cases.
When the bug was fixed?
The bug was reported February 12 2012 and an update was submitted to Apple February 20 2012.
Request a new feature or report a bug
Please fill out the contact form or email me directly. Please remember to tell the name of the app.
This bug & new features list was last updated April 27, 2012.
Esa Heltttula
esa.helttula@kolumbus.fi