Update README.md

Author: leighannehsu

README.md

@@ -1,16 +1,23 @@
-# Assignment2
+# Assignment 2
 
 ## Objectives
 
 To gain a solid understanding of Operators, System Input/Output, Conditional Statements, and Relational and Boolean Operators.
 
 ### Part 1
 
-1. Write a program to check if a number is positive or negative.
+1. Write a program to check if a user-input number is positive or negative.  Assume the user enters a valid number, but that number may not be an integer.  File name is your choice, as long as it makes sense.
 
-2. 
+2. Write a calculator program `calculator.c` that prompts the user with a menu for operations (+, -, *, /, %), takes in 2 numbers, and performs the selected operation.  The menu selection should be interpreted using a switch statement.  You may assume the user will enter any 2 valid numbers.
+
+3. Write a random number guesser `randnum.c` that generates a random integer between 1 and 10 (inclusive), prompts the user for a guess, and tells the user if they guessed correctly, too high, or too low.  You may assume the user enters a valid integer.  The code below will generate a random integer.  Note: You will need to include the stdlib.h and time.h header files.
+```c
+srand(time(0));
+`int r = rand();
+```
 
 ### Part 2
+In a text file `assignment2.txt`, answer the following questions:
 
 1. Can two or more operators be combined in a single line of program code?
 
@@ -21,6 +28,18 @@ To gain a solid understanding of Operators, System Input/Output, Conditional Sta
 x >= 10 && x < 25 && x != 12
 ```
 
-4. 
+4. Is the following expression valid?  Why or why not?
+```
+0 < x < 15
+```
+5.  Which of the following are valid?  What is wrong with any that are invalid?
+    1.  if (a > b) then c = 0;
+    2.  if a > b { c = 0; }
+    3.  if (a > b) c = 0;
+    4.  if (a > b) c = 0 else b = 0;
+
+### Submission Guidelines
+Please include your name and a description in a comment at the top of your code files. Please also include your name at the top of your assignment1.txt file.
 
+All files must be submitted via GitHub by 10:00am 6/30.