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By Tamai Umehara

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"Drill-san" is a simple calculator application from children to adults can enjoy.

Choose from one of arithmetic to strengthen the brain!

• Addition
• Subtraction
• Multiplication
• Division

• Beginner
• Intermediate
• Advanced

Number of questions
• 10, 20, 50, 100 can be selected.

Test Results
• You can list the test results.
• You can view detailed information about test results.
• You can delete all at once the test results.

• You can send your test results by email.

iPad Support
• Supports both horizontal and vertical.

• You can turn on/off sounds.

Simple Calc
• You can use Simple Calculator.
• You can send your calc results by email.

What's New in Version 1.5

*Bug Fix
*Support remove Ads (In-App Purchase).


iPhone Screenshot 1
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iPad Screenshot 1
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View In iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Education
  • Updated:
  • Version: 1.5
  • Size: 2.4 MB
  • Languages: English, Chinese, Japanese
  • Developer:

Compatibility: Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimised for iPhone 5.

Customer Ratings

We have not received enough ratings to display an average for the current version of this application.