Conquer 99 levels! A quick calculation training game played by using a calculator is finally on the store.
Solve addition, subtraction, and more complicated operations using memory functions. Can you complete all the stages and be a calculation master?

Solve problems one after another using 3 different calculators!
Compete against time or use assist items when you are having a tough time. It offers you not only calculation training but also challenging gameplay!

MASTER USING A CALCULATOR:
Can you quickly solve the following problem by using a calculator: (129 + 94) x (65 - 39)?
Do you know how to use keys such as [M+] and [M-] on a calculator?

In everyday life, we use a calculator but most of us do not make full use of it.
Playing this app will improve your calculation skills and you will be able to solve complex calculations at once!

EXAM MODE:
You'll pass the exam if you finish the game within the time limit or exceed the qualifying score.
There are 99 levels and the further you go the more difficult the problems will be. Pass all the stages!
Stuck? Use an assist item and secure your victory!

SCORE CHALLENGE MODE:
Score as high as possible without making any mistakes!

TIME TRIAL MODE:
Compete with the clock to get the fastest time to win the game. Break the world record!

TRAINING MODE:
It offers intensive trainings such as "addition", "abacus", and "calculation with memory function".

OTHER FEATURES:
• From beginners who want to learn basic calculator operations to advanced learners who want to use more complex functions of calculator.
• Simple calculator is included, so you can learn basic calculator operations such as typing numbers, addition and subtracting.
• Detailed instructions of how to use the memory functions are included. So no worries if you don't know the operation at all.

ABOUT ADS & ADD-ON:
• The free version contains ads (purchasing an add-on removes the ads).
• You can play the entire app for free, but purchasing medals give you an advantage for finishing the game. You will also obtain medals by satisfying a certain condition within the game.