# Numeric Correction Calculator — Easy correct by touching disp

> Easy correct by touching disp (iPhone/iPad app by Nobuyuki Kumakura.)

- Source: https://appshunter.io/ios/app/numeric-correction-calculator/id6449193336 (this page in markdown: same URL + `.md`)
- Developer: [Nobuyuki Kumakura](https://appshunter.io/developer/1529070760)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.4 · 9 MB
- Languages: English, Japanese, Russian
- Released: 2023-05-17
- Data updated: 2025-12-29
- User reviews in markdown: https://appshunter.io/ios/app/numeric-correction-calculator/id6449193336/reviews.md

## What is Numeric Correction Calculator?

Overview
A calculator that can be corrected by touching the displayed number.
It has a round selector and a decimal point selector(4,3,2,1,0.5,0) for decimal point calculation.
With multi-line display, you can calculate while displaying constant (K), grand total (GT), last answer (Ans), and intermediate result value.

Detail

Touch the displayed number to correct.
If you want to correct input number or intermediate result, touch the number itself.
Then the number will blink, press the number key to correct it.
Press the DEL key to delete numbers.

Sign Change(+/-)
Touch the left edge to switch between plus and minus (+/-).

Set the round selector to UP, DOWN or 5/4.
Set the decimal point selector to one of 4,3,2,1,0,5,0.
You can round numbers by pressing the = key.
0.5 "rounds" by 0.5.

Detailed results are displayed by touching the down button on the upper left of the screen.
Constant(K)
Grand Total(GT)
Calculation's result value, last answer(Ans). Also used for Ans memory calculations.
intermediate result

Decimal point can be set from the setting.
example:"1,234.5", "1.234,5", "1 234,5", "1'234.5" For Digit separator "3"
Digit separator can be set from the setting.
3-digit, 4-digit, First 3 digits then 2nd digits separator(Indian comma)
Numeric color can be set from the setting.

The maximum number of digits is 12 digits.

Disclaimer
This application is subject to change without notice.
The Developer assumes no responsibility for any loss or claims by third parties which may arise from the use of this application.


## Version history (last 4 releases)

### 1.2.1 — 2023-12-18

ver1.2→ver1.2.1
Modified Help screen.

ver1.1→ver1.2
Added setting items.
It is now possible to set the decimal point display used in European countries.
example:"1,234.5", "1.234,5", "1 234,5", "1'234.5" For Digit separator(Comma) "3".
It is now possible to select the numeric color.

### 1.2 — 2023-12-05

Added setting items

It is now possible to set the decimal point display used in European countries.
example:"1,234.5", "1.234,5", "1 234,5", "1'234.5" For Digit separator(Comma) "3"

It is now possible to select the numeric color.

### 1.1 — 2023-05-22

App name changed.
The manual updated.

### 1.0 — 2023-05-17

No release notes.

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## More apps by Nobuyuki Kumakura

- [Rail Model Track Calc](https://appshunter.io/ios/app/rail-model-track-calc/id1529070758)
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All apps by Nobuyuki Kumakura: https://appshunter.io/developer/1529070760

## Related topics

[numerate](https://appshunter.io/ios/topics/numerate) · [numerator](https://appshunter.io/ios/topics/numerator)

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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 2025-12-29.*