Hello Calculus (MAT 220/230) Students & Parents! In the event of being absent from class, please check your Course Canvas for the day's lesson, notes & assignment. If you are still needing help with the lesson please schedule a time to meet with me before or after school. If you have ANY questions or concerns feel free to contact me by email at lhartsock@muhs.com or leave a message at (928) 634-7531 xt. 4413. I will get back to you within 24 hours. Thank you!