For many students who have had their academic plans disrupted due to the COVID-19 emergency, Distance Calculus may be the right program for you to keep your academic goals on track. During this COVID-19 emergency, Distance Calculus remains in full operation. You may enroll and start immediately with any course. Contact us to discuss how we can help. (Updated April 2020)

The Primitives of Precalculus
by Robert Curtis

Bad Inputs? - Undefined Input Values

  • P2: Functions:
    • P2.4: Bad Inputs?:
      • P2.4.a: Undefined Input Values:
        • P2.4.a.1: ChalkTalk Help Movie
        • P2.4.a.2: LiveMath Notebook
        • P2.4.a.3: LiveMath Help Movie
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Distance Calculus - Student Reviews

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Date Posted: Feb 19, 2020
Review by: Rebecca Johnson
Courses Completed: Applied Calculus
Review: I took the Business Calculus course from Distance Calculus in 2013. I was admitted to my MBA program, but then they told me I needed to take Calculus before starting the program. I finished the Business Calculus course in about 3 weeks in August before my program started. Not the most fun thing to do over the summer, but at least I got it done. Thanks Diane and Distance Calculus team!
Transferred Credits to: Kellogg MBA Program



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Date Posted: Feb 23, 2020
Review by: Carl Conners
Courses Completed: Multivariable Calculus, Differential Equations, Linear Algebra
Review: After a really rough first year of calculus, I completed all of the second year calculus courses with Distance Calculus. It was like night and day the difference. My first year was so boring and monotonous. Multivariable Calculus, Differential Equations, and Linear Algebra through Distance Calculus were just so much different - so not boring at all. I thoroughly enjoyed these courses. So engaging.
Transferred Credits to: Michigan State University



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Date Posted: May 3, 2018
Review by: James Holland
Courses Completed: Calculus I, Calculus II
Review: I needed to finish the Business Calculus course very very very fast before my MBA degree at Wharton started. With the AWESOME help of Diane, I finished the course in about 3 weeks, allowing me to start Wharton on time. Thanks Diane!
Transferred Credits to: Wharton School of Business, University of Pennsylvania