Hello all.,

Hexadecimal arithmetic is a constant stutter in my recent work with low-level programming and network data, especially when dealing with large values, signed vs. anonymous formats, or needing to confirm quick conversions.

Typical Hex Arithmetic Cases

Just a few examples from the real world:

• Calculating memory offsets or address ranges (e.g., 0x1A3F + 0x0F2B)
• Undergoing reduction between two packet sizes or addresses
• wire values by multiplying or dividing to calculate record combinations
• When dealing with authorized hex when flow or underflow is important

I became aware that there aren’t any effective, trustworthy in-browser tools that you carry out these tasks without noise, ads, or copy-pasting.

What I Created to Support

I then created a gratis, developer-focused device:

It already has the following:

• Hex addition, subtraction, multiplication, department
• Real-time conversion to/from signed integers, linear, Internet, UTF-8, and decimal.
• No logins, cookies, or bloat, and a quick, distraction-free interface ( no bloat ).

Example:

Input: 0x1F4 + 0x3B7 → Output: 0x5AB
with side-by-side picture of all conversion and signed picture.

What I’d Like to Recognize:

• Do you frequently encounter hex mathematical requirements in your work environment?
• How are those currently handled ( code, CLI, calculator )?
• What features may be beneficial for a resource like this?

Happy to hear feedback, suggestions, or just general experiences working with hex in dev or hardware projects. And if you want to give the tool a spin, it’s live here: https://hexcalculator.org

Cheers,
Parker, Peter

Not? ( I’m not saying there aren’t individuals who need this, but in my web development career, I never needed to convert a wire to a 1-255 f or the other way. )

That’s not real, despite your claim that there aren’t any in-browser tools that can do these operations.
The java system is completely capable of hexidecimal math, attainable by pressing F12.

And if you absolutely need your answer in hex, the toString method of the Number type can do that:

( For those who can’t perfectly see the pictures on the platform:

> 0x1F4+0x3B7 (0x1F4+0x3B7).toString(16)< '5ab'

And that means, I don’t have to go to a different site to perform hex math, which would seem simpler to me.

That must have been around 1992 since my most recent when I moved a non-number value to a PIC S9 ( 9 ) V99 COMP-3 field.

When I was converting data into words from strange binary-format files, I encountered a lot of interesting ways to store things like records, record pointers, and other similar items, and hex arithmetic was frequently required. Luckily, I was doing that on a multi-user OS that, among other things, had this kind of thing built in, as well.

Although I anticipate that Powershell will do it right then, it didn’t in the late 1980s. I didn’t realize it could be done using a browser system, but that might be helpful.

Interesting how issues are resolved. If I needed to complete wire amount right away, I’d definitely just flame up the VM and proceed as above.

It is indeed. I would insert it into my phone’s HP16C computer or app’s equal.

The fact that the few people who may actually want this possess a solution now seems like a good summary from the responses so far.

Okay, so this is only for joy.

HTML

 
 
Hex Calculator
  
 First Hex Number  
 
 Second Hex Number  
 
 Operation  Add Subtract Multiply Divide  
 
 Calculate Reset 
 
 
 Hex Value:  
 
 Decimal Value:  
 
  

Javascript

const toDec = (x) => parseInt(x, 16);const toHex = (x) => x.toString(16);/* lookup operations */const operations = { '+': (x, y) => x + y, '-': (x, y) => x - y, '*': (x, y) => x * y, '/': (x, y) => x / y};function displayResult (result, formElements) { const { outputDecimal, outputHex } = formElements; outputDecimal.value = result; outputHex.value = toHex(result);}window.addEventListener('DOMContentLoaded', () => { const form = document.querySelector('#calculator'); form.addEventListener('submit', (event) => { event.preventDefault(); // create an object from form data // e.g. { input1: 'f', input2: 'a', operation: '+' } const { input1, input2, operation } = Object.fromEntries(new FormData(form)); // Check if we have a matching operation function in lookup operations if (typeof operations[operation] === 'function') { const result = operations[operation](toDec(input1), toDec(input2)); displayResult(result, form.elements); } });});

If you place your inputs in a kind, you not only have access to the by name, but you also don’t have a restore function because it is built in, say, e. g.

Additionally, you can add style to your input to stop them from being illogical.

Note that mine doesn’t test for division by zero, and I’m sure there are other assessments that could be added.