# Convex Programmer's Calculator — Byte flip, bit shift, 2's comp

> Converts between number bases and performs bitwise operations. (iPhone/iPad app by Matthew Daigle.)

- Source: https://appshunter.io/ios/app/convex-programmers-calculator/id1021414602 (this page in markdown: same URL + `.md`)
- Developer: [Matthew Daigle](https://appshunter.io/developer/1021414601)
- Category: Utilities, Productivity
- Price: Free
- Rating: 4.70/5 from 6 App Store ratings · 9 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 0 MB
- Languages: American English
- Released: 2015-07-28
- Data updated: 2026-06-11
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/convex-programmers-calculator/id1021414602/reviews.md

## What is Convex Programmer's Calculator?

Easily convert between hexadecimal, decimal, octal, and binary.
Calculate the two's complement of any number.
Flip a number's bytes to switch its endianness.
Bit-shift left and right.
Bit indicators and word grouping make binary easier to read.
Tap the number to copy, paste, and clear.
Swipe left or right on the number to backspace.

## Key features

- Number base conversion
- Two's complement calculation
- Byte flipping for endianness
- Left and right bit shifting
- Binary readability enhancements
- Copy, paste, and clear functionality

## Recent user reviews (9 of 9)

All indexed reviews: https://appshunter.io/ios/app/convex-programmers-calculator/id1021414602/reviews.md

### 5/5 — Simple and functional

*2024-07-02*

Just what I was looking for.

### 4/5 — Almost awesome

*2022-07-07, version 1.2.1*

It’s good, with 1 bug.  The last Binary digits  get truncated to “….” On my mini iphone 13, rotating doesn’t help.

### 1/5 — Can't see the numbers

*2022-06-22, version 1.2.1*

This app would be great, if I were able to see numbers bigger than 4 digits.

### 4/5 — Why not the last two bits?

*2021-11-01, version 1.2.1*

Nice program, but why not show all the bits instead of the …

### 3/5 — Good, but needs to support pasting

*2021-09-05*

There doesn’t seem to be any way to paste a value in.

### 2/5 — Truncates all results

*2021-01-23*

Why use a calculator that only shows a few digits of the result?

### 5/5 — Simple, attractive, useful

*2017-08-14, version 1.2.1*

Thanks to the developer for a well-designed app that is easy to use, does its job, and doesn't make my eyes bleed to look at.

### 5/5 — Elegant and useful

*2016-11-16, version 1.2.1*

Love it, great as a tool to check.

### 5/5 — Usable and functional.

*2015-07-30, version 1.0.1*

If you are looking for a quick, accurate, easy-to-use app to convert, the this one's for you. Makes life as a developer easier.

## Frequently asked questions about Convex Programmer's Calculator

### What number bases can Convex Programmer's Calculator convert between?

Convex Programmer's Calculator allows you to easily convert numbers between hexadecimal, decimal, octal, and binary. This covers the most common bases used in programming and computer science.

### Does Convex Programmer's Calculator support two's complement calculations?

Yes, Convex Programmer's Calculator can calculate the two's complement of any number. This is a crucial operation for understanding signed integer representation in computing.

### How does Convex Programmer's Calculator help with binary readability?

The app includes bit indicators and word grouping features to make binary numbers easier to read and interpret. This is particularly helpful when dealing with long binary sequences.

### Can I easily copy and paste numbers in Convex Programmer's Calculator?

Yes, you can tap on a number to copy it, and paste numbers into the calculator. There is also a clear function available. Swiping left or right on the number allows for backspacing.

### What devices is Convex Programmer's Calculator available on?

Convex Programmer's Calculator is currently supported on iPhone devices. It was last updated on July 2, 2024, with version 2.0.0.

### Is Convex Programmer's Calculator free to use?

Yes, Convex Programmer's Calculator is available for free. It does not have any in-app purchases or advertisements, making it a completely free utility.

### What is the age rating for Convex Programmer's Calculator?

Convex Programmer's Calculator has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.

### How often is Convex Programmer's Calculator updated?

The app was last updated on July 2, 2024, indicating ongoing support and potential for future improvements. The current version is 2.0.0.

## Version history (last 5 releases)

### 2.0.0 — 2024-07-02

• Improved UI and layout.
• Added bit-shifting functionality.
• Swipe left or right on the number to backspace.

### 1.2.1 — 2016-11-02

This app has been updated by Apple to display the Apple Watch app icon.

Added support for Crashlytics for better crash handling.

If you like Convex, please take the time to give us a nice review: it really helps.

### 1.2.0 — 2016-10-21

Keeping codebase compatible with iOS 10.

If you like Convex, please take the time to give us a nice review: it really helps.

### 1.1.0 — 2015-10-05

Swipe right to clear the number.
Added support for iOS 9.

### 1.0.1 — 2015-07-28

No release notes.

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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 2026-06-11.*
