Version 5.8 has been release for the Android phone. This version for the iPhone is expected soon.
The user control of the automatic trial and adjustment computations has been improved.
There is a switch to show the progress display. When this is not showing the computations are faster.
There is an editable number that controls the speed when the progress display is showing. Also the operation of the Stop, Step, Go and Escape buttons has been improved.
Minor changes have been made to the User Guide that give details of the new facilities