The 07/04/2015 after some days from the first post of "Touch decimals":
I received this animation from JeffL (member of MathTools & author of:
"Jeff's Interactive K12 Math Scripts Page") :
This led me to develop an alternative program with its version.
And I added it to my original program.
With translation between the two systems.
(One with 'Tokens' signed and 'Places' unsigned, and the other with color
'Tokens' unsigned and 'Places' signed).
I think the program has been enriched by the two visions.
The pre-release videos:
The YouTube Video about the posted version (July 15 2015): Touch decimals v.1.1.0 r.4:
I should also like to thank Wendy Petti for comments made in the early development of this program.