README-en.md edited online with Bitbucket

README-en.md

-#Arithmetic Expressions - Pretty Plots
+# Arithmetic Expressions - Pretty Plots
 
 ![rsz_heart.png](images/rsz_heart.png)
 ![rsz_mariposa1.png](images/rsz_mariposa1.png)
 
 
 
-## Laboratory session:
+## Laboratory Session:
 
-### Exercise 1 - Plotting interesting curves
+### Exercise 1 - Plotting Interesting Curves
 
 
 #### Instructions
 
 
 
-### Exercise 2 - Computing the grade point average (GPA)
+### Exercise 2 - Computing the Grade Point Average (GPA)
 
 In this exercise you will write a program to obtain a student's grade point average (GPA). Suppose that all courses in Yauco's University are $$3$$ credits each and have the following point values: $$A = 4$$ points per credit; $$B = 3$$ points per credit; $$C = 2$$ points per credit; $$D = 1$$ point per credit and $$F = 0$$ points per credit.