Currently offering both IN-CENTER and ONLINE visits. Changing Lives Through Math! Mathnasium of West Chester PA is a math only learning center that helps students in all grades understand math. Critical thinking and problem solving skills are also sharpened. Whether students have fallen behind, or want to get ahead, we help them master math concepts. We put the "M" in STEM. Serving West Goshen, East Goshen, Fern Hill, Pocopson, Exton, Downingtown, West Chester, Coatesville, East Bradford areas