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M3 Enigma

The web app (and the excel sheet below) is a historically accurate simulation of the M3 Enigma code machine as used in World War 2. Rotors 1,2,3,4,5 are wired as they were in the original machine. Rotors 6,7,8,9,10 are new rotors which can be re-wired in any way you like, provided a genuine permutation of the alphabet is chosen. Thus, to create your own bespoke rotor, enter the letters A to Z (each exactly once) and choose a "notch" letter on the "Rotor Build" tab in the web app.

​The "notch" is the point at which a rotor will cause the rotor to its left to rotate. The rightmost rotor rotates after each key press.
Latest Build
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enigma_auto.xlsm
File Size: 194 kb
File Type: xlsm
Download File


New Enigma Retro edition!

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enigmaret.zip
File Size: 5056 kb
File Type: zip
Download File


Previous Builds
enigma_v.xlsx
File Size: 147 kb
File Type: xlsx
Download File

enigma_m3.xlsx
File Size: 149 kb
File Type: xlsx
Download File

enigma_m3_v1.1.xlsx
File Size: 149 kb
File Type: xlsx
Download File

enigma_m3_v1.3.xlsm
File Size: 157 kb
File Type: xlsm
Download File

enigma_m3_v1.5.xlsm
File Size: 158 kb
File Type: xlsm
Download File

enigma_m3_v1.6.xlsm
File Size: 171 kb
File Type: xlsm
Download File

enigma_m3_v3.xlsm
File Size: 187 kb
File Type: xlsm
Download File

enigma_auto_retro.xlsm
File Size: 660 kb
File Type: xlsm
Download File


The Enigma Web App can be found here.
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Modern day recreations of the Enigma machine (as well as much more information) can be found at: ​http://arduinoenigma.blogspot.co.uk/
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  • Home
  • GCSE
    • Number >
      • Arithmetic
    • Algebra >
      • Equations
      • Graphs
      • Patterns and Sequences
    • Geometry and Measure
  • Contact
  • Notes
    • registers
    • A-Level 16-18 >
      • Pure Maths >
        • Surds and Indices
        • Equations of Lines
        • Quadratics
        • Polynomials
        • Binomial Expansions
        • Trigonometry
        • Differentiation
        • Summations
        • Curve Sketching
        • Matrices
        • Sequences
    • ISC Accounting
    • ISC Pure 3
    • ISC Core Maths
    • PMP Math
    • PRS
    • ISC PURE 2
    • MCR
    • ARM main
  • Projects
    • Excel Projects >
      • Enigma
      • Lorenz SZ40
      • GOL
      • 9 Pins
      • AUTM
    • WebApps