Each volume of APEX Calculus is available for free as a PDF. Nicely bound black & white copies of the text are also available for $15 through and the store below.

Look for the sideways cover! To avoid purchasing an old version of the book, look for the sideways "Calculus Version 4.0."

If you want the text made available in your campus bookstore, give the ISBN and URL information found below to your bookstore manager.

Should I buy on Amazon or here? Purchases through Amazon may arrive sooner and is probably the best option for small orders, as the overall costs are the same. On large orders, as made by a bookstore, the costs are lower on this site.

Calculus 1: Volume 1 (Chapters 1 - 6.1)

Calculus 2: Volume 2 (Chapters 5 - 8)

Calculus 3: Volume 3 (Chapters 9 - 14)

Calculus 3*: Abridged Volume 3 (Chapters 9 - 13)

APEX Calculus for Quarters


Calculus Q1: APEX Calc. Quarters (Chapters 1 - 4)

Calculus Q2: APEX Calc. Quarters (Chapters 5 - 7 + Differential Equations)

Calculus Q3: APEX Calc. Quarters (Chapters 9 - 11)

Calculus Q4: APEX Calc. Quarters (Chapters 12 - 14)

Bulk Orders are available through the order form below. Ordering through the Amazon website is likely more economical for those purchasing small quantities; orders through Amazon will likely be received more quickly. The order form below is targeted towards college/university bookstores who don't mind a 2- or 3-week delivery time. The lower per-item cost and shipping savings on large orders means bookstores can compete on price with Amazon when purchasing with this form.

APEX Calculus, Version 4.0

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APEX Calculus for Quarters
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Return/Refund Policy: If your book arrives damaged, you may request a refund or replacement. Returns and refunds are otherwise not available. (This order form is intended for bulk orders; individuals who want a more generous return/refund policy are likely better served through


The .pdf's are free. If you want to support ongoing improvements to the text, or just want to say "Thank you", click the "Support APEX Calclulus" button below. Any and all support is appreciated.

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