# PCO Calc/game and calculator — History calc + Mental calc

> History calc + Mental calc (iPhone/iPad app by SHIGA BOCHU INC..)

- Source: https://appshunter.io/ios/app/pco-calcgame-and-calculator/id1478534181 (this page in markdown: same URL + `.md`)
- Developer: [SHIGA BOCHU INC.](https://appshunter.io/developer/1478534180)
- Category: Utilities, Education
- Price: Free
- Age rating: 9+
- Requires: iOS 12.1 · 143 MB
- Languages: English, Japanese
- Released: 2019-09-03
- Data updated: 2026-02-28
- User reviews in markdown: https://appshunter.io/ios/app/pco-calcgame-and-calculator/id1478534181/reviews.md

## What is PCO Calc/game and calculator?

An application made by the active Pest Control Operator!
◆It's a calculator with a game "PCO Calc".◆

■ Calculator
• Displays calculation history
• Tap a number in the history to use it for calculation
• In addition to the history, there are up to 5 memory functions
• There is no advertisement display on the calculator

■ Game
• Mental game to get rid of pests
• It's good for brain teasers!
• 8 stages in total. Unique pests will appear at each stage
• Easy mode for slow calculation


## Version history (last 5 releases)

### 1.2.3 — 2022-11-11

bug fix

### 1.2.1 — 2020-05-23

1.2.1:bug fix

### 1.2.0 — 2019-12-09

■The previous version upgrade has increased the appearance of the calculator to 18 types. Check it out!
■In this version upgrade, the forward speed of the hero (PCO) has been changed.
■Bug fixes were also made.

### 1.1.0 — 2019-12-03

■You can choose from a total of 18 appearances!
(Tap the gear icon ￫ Tap the right arrow)
■Fixed a line break when calculating%.

### 1.0 — 2019-09-04

No release notes.

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## More apps by SHIGA BOCHU INC.

- [名刺ポケット](https://appshunter.io/ios/app/id6444353432)

All apps by SHIGA BOCHU INC.: https://appshunter.io/developer/1478534180

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-02-28.*