essential calculation by Hana Tisserand | Jul 27, 2020 | 2 comments 2 Comments Rebecca Bennett on June 10, 2022 at 9:59 pm Hello, I am a CCAP with NAHA and am interested in single classes. How much does this one cost. Thank you, Rebecca Bennett Reply Robert Tisserand on June 14, 2022 at 8:09 pm Hi Rebecca, all our single classes are US$39.00. Here’s a link to Essential Calculation https://tisserandinstitute.org/calculation/ Reply Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.