# 8-bit Redstone Calculator

• 44,610 views, 34 today
• 9,042 downloads, 11 today
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mattbatwings
Level 64 : High Grandmaster Miner
386
Hey, so I built an 8-bit calculator in minecraft. This has been a project of mine for quite some time, and I finally got it finished.

Using only redstone, repeaters, torches, comparators, and pistons, this calculator can add, subtract, multiply, or divide two 8-bit numbers (0-255). Division will give you two digits past the decimal point of accuracy.

How the hell is this possible: (gibberish warning)
For the user's input, I used a binary encoder to convert each digit to BCD. The BCD is then sent to the display, and to two 8-bit BCD to binary converters. The operation the user picks determines where they are sent to next. Addition sends them to the binary adder, subtraction sends them to the binary subtractor, etc. Once the calculation is done, the binary result is sent to a 16-bit binary to BCD converter. Finally, each BCD digit is decoded for its seven segment display.

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1
12/18/2022 9:06 pm
Level 1 : New Miner
User4408050G
If you type in 0 divided by 0 it says "no"

Nice touch!
1
05/08/2022 9:40 pm
Level 1 : New Collective
PetAmericanGaming
Does the map work on 1.12.2? If not, is there a way to convert it?
1
01/20/2022 9:53 pm
Level 1 : New Miner
proplayer50
`My computer is a bit weak so the game is a bit laggy but map is very big and fun`
1
01/20/2022 8:44 pm
Level 1 : New Miner
mcpe_121
map is a bigger, and nice
1
01/20/2022 6:22 am
Level 1 : New Miner
tranthaianh20000009
Nice, you are the best intelligent
1
12/03/2021 3:06 pm
Level 23 : Expert Artist
FireDev
I tested it on 1.18 and it works :)
1
11/14/2021 10:06 pm
Level 1 : New System
Win11_RobloxUser
Can it work in any Minecraft Version?
1
12/03/2021 3:05 pm
Level 23 : Expert Artist
FireDev
yes I tested it on 1.18 and it worked
1
11/14/2021 5:26 am
Level 16 : Journeyman Cookie
RemiBlock
THIS IS ABSOLUTELY PURE GENIUS CONGRATULATION MAN
2
07/07/2021 11:41 pm
Level 15 : Journeyman Pony
44Nifty
divided 0 by 0 - it told me "no"

★★★★

4/5 would do illegal mathematical functions with again

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