Retro Xword 0x01

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Across
  1. 4. Vital few principle
  2. 5. Backus' other tongue
  3. 7. ularpression
  4. 8. Barnes' other brain (early computer)
  5. 9. Sudsy messaging
  6. 11. Evolutionary apple core
  7. 12. Memoize
Down
  1. 1. _'s lucky number, plus or minus 2
  2. 2. Type of color-blindness
  3. 3. Fat-fingered textual styling?
  4. 6. Designed for the differently abled
  5. 10. Vector-based UX sibling to AI, PS