diff --git a/HW2/README.md b/HW2/README.md
index b182619..f74173b 100644
--- a/HW2/README.md
+++ b/HW2/README.md
@@ -13,7 +13,13 @@ script that will set default plotting parameters. In this file, add the followin
Commit the changes to your repository.
-2. Clone your 'homework_1' repository to your own computer. Create a function,
+ 
+
+2. Clone your 'homework_1' repository to your own computer. Now, we want to create a
+function that uses kinematic formulas to predict the path of a projectile. The dimensions
+are taken from official dart board dimensions
+[darts](http://dartbrokers.com/dartboard-height.html). Create a function,
`projectile.m` that will calculate the location of an object with an initial velocity. The
function inputs are v_mag (initial speed), theta (initial angle). The output is the height
of the object 2.37 m from its starting position. Assume g=9.81 m/s^2 and its initial
diff --git a/HW2/projectile.png b/HW2/projectile.png
new file mode 100644
index 0000000..f544224
Binary files /dev/null and b/HW2/projectile.png differ
diff --git a/HW2/projectile.svg b/HW2/projectile.svg
new file mode 100644
index 0000000..bb33043
--- /dev/null
+++ b/HW2/projectile.svg
@@ -0,0 +1,331 @@
+
+
+
+
diff --git a/README.md b/README.md
index eebd665..8059993 100644
--- a/README.md
+++ b/README.md
@@ -23,13 +23,20 @@ matlab/octave functions and programming best practices.
## Teaching Assistants:
- Graduate: Peiyu Zhang
-- Office hours: 2 hours / week
+- Office hours: Friday 9:00-11:00am in Engineering II room 315
+## Course Information
**Prerequisite:** CE 3110, MATH 2410Q
**Textbook:** Chapra, Steven, *Applied Numerical Methods with MATLAB for Engineers and
Scientists* 3rd edition.
+**Tools used:** [Matlab](https://www.mathworks.com/products/matlab.html),
+[Octave](https://www.gnu.org/software/octave/) , [Github](https://github.com).
+
+**Recommended tools:** Github Desktop, git, Atom (text editor), Vim (text editor),
+Jupiter notebook (with matlab or octave kernel)
+
## Grading
| Item | Percent | Requirement |