Flash Fabrica

This is a Flash game which trains your ability of mental arithmetic.
It is recommended for people who are not good at mental arithmetic or have a
poor calculating ability.

Instruction

• It is recommended for people who are not good at mental arithmetic or have a
  poor calculating ability.(multiple selection is available)
• Next, choose how many questions you would try. (10, 20, 50 and 100
  questions)
• Enter the answer and click "Enter" key on the keyboard after solving the
  question.
• After finishing all the questions, the percentage of correct answers will be
  shown.
• You can improve your ability of mental arithmetic by a daily calculation.