Objective: Learn about applying multiple guards
Recap: Nested Function + Guard + Where
Download Link: tinyurl.com/68cjve
Download this file: numberRoot.rar

Haskell Code:
numberRoots a b c
(...) | quadraticEquation > 0 = 2
(...) | quadraticEquation == 0 = 1
(...) | quadraticEquation < 0 = 0
(...) where quadraticEquation = b*b-4*a*c

Reminder:
#1. Replace (...) with tab/space/indentation
#2. Save the text file as .hs file extension, not .txt
#3. Not required to define data type.

Requirement:
You will need to download and install WinHugs or GHC
to run Haskell scripts (.hs extension files).
Download from Haskell official website haskell.org

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