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# How to make a calculator that divides by zero?

Hi

New to the forum so not sure how it works here but basically asking a request for a instructable for any shop brought calculator that when asked to divide something by zero returns a number, maybe a random number, but hopefully 42 everytime. Is this possible and if so could someone post the instructable?

Cheers

## Discussions

3 years ago

Programmable calculator? Got $160 lying around?

3 years ago

0.99999 repeating is understood to equal 1.

I remember at one time thinking that

1/0 should equal infinity. but NO. It doesn't.

But what if 0 is defined as

0.0000(repeating infinitely) followed by...001

Then 1/0 (as we have defined "0" will = infinity.

3 years ago

You can draw the division symbol on the screen with a whiteboard marker...

3 years ago

Still hoping this is possible if anyone wants to help?

Reply 3 years ago

Zaphod Beeblebrox will certainly have one or two to spare but you might have to drink a few pan galactic gargle blasters with him...

If you have the time to read in the arduino playground then of course you could use a keypad, display and an arduino to create your own calculator.

Apart from the normal functions just add an extra call for a devicsion by zero to show whatever you want.

Don't forget your towel...

3 years ago

I was hoping it would be possible (and not too difficult) to reprogramme any normal calc brough from a shop. Wanna give one to a math 'geek' friend.

If anyone can advise on this, cool.

3 years ago

Thought I deleted the first post after seeing the wanted forum.

Anyone else wish to reply with something more productive for my 'nonsense needs'?

Reply 3 years ago

You could program your own to run on Android or IOS...

3 years ago

There is neither a need for nonsense calculators nor to post the same nonsense twice.

I mean: Why not just ask for a lightbulb that draws light in instead of emitting it....

Sorry but getting fed up by newbies constantly crewating double postings and never hearing from them again....