SICP Exercise 3.25

Here's a pattern typical of SICP - the "message-passing" style. The table is a computational object with local state variables and procedures, together with a dispatch procedure that selects the appropriate local operation.

∎ Tombstone

That black square thing in the title is the "Tombstone", end-of-proof, or "Halmos" symbol. There are a ton of cool unicode characters - like the integral sign, circle letters and others below.

• Ace of dimes - 🃁
• Joker card - 🃏
• Scorpio - ♏
• Fleuron - ❦
• Umbrella - ☔
• Comet - ☄
• Hysteresis - ⎎

These below here are a shit-ton of dope-ass mahfuckin' unicode characters I liked from the list! Buncha cool ways to do an "e" plus like skull and crossbones, hazard symbols, playing cards, et cetera! Like I said lots of cool characters!!!!!!

Ⓔ Ⓡ Ⓘ Ⓒ ☠ ◉ ∀ ℼ ⁂ ▦ ▣ ◈ ◊ ▰ ∫ ∂ ∞ ⇭ ↂ ↈ ↉ № ℵ ⅁ ⅀ ℰ ℳ ℳ ℡ ℃ ℮ ℯ ⅇ ⅇ ⅇ ⅅ ⅋ ⒠ λ ∇ ⌑ ⌁ ⍰ ⍣ ⌇ ⌨ ⌘ ⎆ ∡ ∢ ∇ ∉ ∘ ≬ ≛ ⊾ ∅ ≛ ⋉ ⊶ ⋆ ↯ ⁕ ⁜ &#x;

⎲
⎳

№⓷

№⓿
№⒔
№⒠
№③
№⓴

℮ ℯ ⅇ ⅀ ℰ Ⓔ

here I cycle through some of the "e" styles