Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Calc4 スクリーンショット

iPhone

About Calc4

let's Improve your calculating ability by this app!

When a formula is set, choose a correct answer from four numbers!
More difficult calculation is a high score! But it will become a score in half every five seconds, I will calculate quickly and will get a high score!

If "Decimal fraction" is turned ON, the formula in which a decimal is included will also be set to an answer!
If the answer contains a decimal point is up 1.5 times!
Those who want to take a high score, and those who want to challenge difficult calculation will try!