Appacus app for iPhone and iPad

Learn the abacus.
~*~*~The most intuitive way to learn the abacus~*~*~
Suitable for Abacus learners of all ages.

Get started here: http://youtu.be/wYSEpaG9k-4

Features:
+Counting in 7 place values.
+Basic Addition and Subtraction in 7 place values.
+Finger Skills
+Addition with Little Friends
+Automatic Hints for each level
+Tutorials

Appacus:
+Your goal number is circled in red!
+The current number you are counting is shown on the white circle on the divider.

About the Abacus:
+Bottom beads are each worth one.
+The top bead is worth 5.
+Each column of beads represents one place value!

Counting:
+The Appacus automatically clears (resets to zero) after you count to the correct amount!
+Click Hint! or Tutorial for more help

Addition:
+Keep adding on!
+Click Hint! or Tutorial for more help

Finger Skills:
+Use the least number of taps.
+Always move the top-bead first.
+Count left to right.

Addition with Little Friends:
+Uh oh! Sometimes you dont have enough beads.
+To add four, add on the top five-bead, and subtract one bottom bead. +5 -1 = 4!