### A Pluto.jl notebook ###
# v0.12.21

using Markdown
using InteractiveUtils

# ╔═╡ eb3b3be0-67d1-11eb-144b-2f9581950503
md"""
#### Math can be easy!
#### When you come on someting new
#### $~~~~$just think in simple steps.
"""

# ╔═╡ 66294030-67d3-11eb-25b1-8d25703546db
md"""
#### sqrt()  
##### ??? What is this?  
####  Pluto 🛡️ to the rescue!  
##### Doing Things have a name.$~~$ This name is $~~ sqrt$
##### The $~~$()$~~$ is a place for something to worked on.   
##### Doing Things can teach a new name to do the same work.
##### We may like one,$~$ but both will do the same job.
"""

# ╔═╡ f4835c0a-67db-11eb-134c-85092b5a1ced
md"""
##### Looking for a short
##### cut across a square 🔲?
##### Walking on the edges is longer.
##### But corner to corner is shortest.
##### We call the shortest, the root 🥕.
"""

# ╔═╡ 1976e31c-67df-11eb-2d4a-1d8e612a99a9

md"""
##### sqrt() is a Doing Thing
##### and is called a function.
##### It can tells how far it
##### is across a 1 by 1 🔲
##### Instead of going on the sides,
##### place 1 + 1 inside of ()
"""


# ╔═╡ fca3b432-86f8-11eb-3086-b3adfccd0cda
sqrt(1+1)

# ╔═╡ 84554b8a-67ce-11eb-2e10-7550cbde4485
md"""
##### Hard to think that $~$sqrt$~$ means square root?
##### I bet you will never forget
## 🔲🥕
##### Let's use $~$=$~$ to make a new Doing Thing.
"""

# ╔═╡ f8c8c828-67d0-11eb-16b6-f384a4a4a5df
🔲🥕 = sqrt

# ╔═╡ 279bdd4e-67e2-11eb-1adb-b98afc7e812e
md"""
##### Yes, it works!
##### Tomorrow, will you remember?
### 🔲🥕  $~~~~or~~~~~$   sqrt
"""

# ╔═╡ 1c3a7e52-67d1-11eb-0c5a-a5b36b4fc989
🔲🥕(1+1)


# ╔═╡ 7dab943e-86f9-11eb-284d-4fb84d4c9b63
md"""
##### Wow!$~~$ The long way is 2.
##### But the short way is not even 1 and 1/2.
"""

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