On Saturday, April 21, 2007 the Sonoma State University Mathematics Department will host the third annual Northern California Undergraduate Mathematics Conference. The conference features expository talks and original research by undergraduate mathematics students from Northern California and Southern Oregon. Students in the past have talked about topics in a variety of mathematical areas such as Applications of Calculus, Mathematical Modeling, Statistical Consulting, History of Mathematics and many others. The conference will conclude with an invited talk tailored toward undergraduate math students by Frank Farris from Santa Clara University about "Visual Geometry." Student speaker registration deadline is March 30, 2007.