Picture of Knex Calculator
This, as the title suggests, is a calculator made out of knex.  It is extremely easy to use and requires a small amount of parts.  It can add the numbers 1-9 to create instantaneous answers of 1-18.
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Step 1: Body

Step 2: Processors

Step 3: Processor track

Picture of Processor track

Step 4: Display, installing the mobile processor, and building the addition wand

Step 5: How do I use it?

Picture of How do I use it?

I'm guessing you used this as inspiration?

They look very similar

Mr Cheeseo (author)  dungeon runner4 years ago
To quote the creators of Spamalot "Lovingly ripped off from."
KNEX-pert3 years ago
Your instructables picture looks great! Here's what you look like when you look at yourself in the mirror.

~KnexBuild~3 years ago
Is there any way to bypass the Knex Track?
Mr Cheeseo (author)  ~KnexBuild~3 years ago
Maybe you could just use normal yellow pieces.
Thanks, I made it with just yellow pieces like you said and changed the 2nd step a little and it works fine. 5 stars
brainiac1204 years ago
This is sorta lame, it only lets u add 1-9 to make 18! most the people who would build this would know all of those facts like I do. y wast knex on a machine for it!
*facepalm* The point was, he made a calculator. Don't you see?
~KGB~4 years ago
nice idea!
Even though it wasn't technically his.
i know =D
Sorunome4 years ago
Cool! 5*
Wow, I've not seen a calculator like sinc my maths teacher brought his in from when he was 12! Simple, but it works!
Mr Cheeseo (author)  TheFoofinator4 years ago
Like a slide rule http://www.thinkgeek.com/gadgets/tools/be12/?cpg=froogle