Make 10+ app for iPhone and iPad

"Make 10" (10 puzzle) is an arithmetic game to make 10 using 4 numbers and +-×÷.
You can play not only general mode but also easy / advanced mode so you can enjoy this App even if you are a beginner or advanced.

● Difficulty Level
- Easy
Problems solvable with only +-
- Normal
General problems (make 10 with 4 numbers)
- Hard
Problems to make random two-digit numbers with 4 numbers
- Extreme
Problems to make random two-digit numbers with 5 numbers

● Game Mode
- Complete
Solve all of the 552 problems to make 10 with 4 numbers which have correct answers (Cant select difficulty levels)
- Time Attack
Solve more problems within the time limit
- Endless
Solve more problems consecutively without skipping

● History Function
- Can check equations of your own answers.
- Can save problems as favorites

* Only solvable problems are set.
* You become able to play Hard or Extreme mode if you accumulate points sufficiently.
* Points are added every time you solve a problem except for Easy mode.