Sammi-Jo's calculator.rb (nodes)

[sjlee3157]

Calculator

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Comprehension Questions

Question	Answer
Describe how you stored user input in your program?	As a global variable ($num1 / $num2) that gets passed to different methods that validate, return floats, operate, and print.
How did you determine what operation to perform?	With a case conditional that checked the user's request against separate array "thesauruses". These could be refactored into a single array of hashes.
Do you feel like you used consistent indentation throughout your code?	Yes!
If you had more time, what would you have added to or changed about the program?	See below (pasted from my code).

# To do:
# put arrays in an array of hashes
# do I really need all of the dollar signs?
# parentheticals? refactor without asking 3 times. input expression. remove whitespace. split string by a known operator. string 1 = num1, operator = operator, string 2 = num2.
# square root
# repeat unless type quit to quit

[CheezItMan]

Calculator

What We're Looking For

Feature	Feedback
Takes in two numbers and an operator and performs the mathematical operation.	Check
Readable code with consistent indentation.	Check
Summary	Well done you hit all the learning goals and went beyond with exponents and rounding decimals. I will say again, please avoid using global variables, they're a bad habit to get into. We'll talk about them later in the course.

[CheezItMan]

We'll get into this as a class later, but never ever ever use global variables. It's a bad practice and can make code that's very hard to debug.

[sjlee3157]

Haha... well learning about scope and constants today was definitely a game changer for me!

[CheezItMan]

Nice use of regex