Calculator & abacus training
kenji kiuchi
This app is calculation drill for calculation training.
In-app purchases in United States
Items currently visible on Apple’s public App Store page. This may not be the complete App Store Connect catalog.
Source: Apple public App Store page · Publicly visible items only · Checked Aug 4, 2026
About Calculator & abacus trainingStorefront description supplied by Apple.
This app is calculation drill for calculation training.
You can training that Abacus(soroban) & calculator & math
·Training mode
You can create the training that fits your level.
Purchase before you can create two. After the purchase will be able to create six.
Training time is pre-purchase is 50 times, after the purchase will be saved 200 times,
You can see their growth condition.
Training can be set in the range of below.
Kind: addition, the addition subtraction MIX, multiplication, division
Number of digits: up to 5 digits (9-digits after purchase)
Number of lines: up to 5 lines (15-digits after purchase)
Number of Questions: up to 50 questions
・Challenge mode
Level goes up and to clear the problem within the 100 s.
Since the problem is more and more difficult, let's challenge to your limits.
Frequently asked questions
Quick answers based on the latest observed App Store data.
How much does Calculator & abacus training cost in United States?
The latest observed download price is Free. Open the official App Store link to confirm the current checkout price.
Does Calculator & abacus training have in-app purchases?
Apple's public page currently shows 1 purchase items in this storefront. The public list may be incomplete.