3.0
2020-11-13
This update provides code improvements to better support the latest versions of iOS.
2.4
2016-01-30
This version supports iPad Pro and the latest version of iOS.
2.3
2015-06-01
In this version we improved the display of the opaque markers so that they will fully cover the numbers in the chart.
2.2
2015-05-21
New special feature: Starting number for chart can be set to any integer between -100 and 900.
2.0
2014-10-22
This is an iOS 8 compatibility update.
1.4
2013-11-14
This version supports iOS 7 and includes simulated tabletop backgrounds for retina displays. We also improved some of the graphics.
1.3
2012-03-27
The starting number for the Hundreds Chart can be switched to either zero (0) or one (1).
Easily erase any marker by sliding it off the chart.
1.2
2012-01-06
Increased the number of markers to 200 to allow for users request to demonstrate Sieve of Eratosthenes.
Markers are easily removed by dragging and dropping the marker anywhere off the chart.
1.1
2011-11-17
Added an indicator to designate marker style.
Improved performance.