Customer Reviews for

HP 30b Business Professional Calculator

Average Rating 1
( 1 )
Rating Distribution

5 Star


4 Star


3 Star


2 Star


1 Star


Your Rating:

Your Name: Create a Pen Name or

Barnes & Review Rules

Our reader reviews allow you to share your comments on titles you liked, or didn't, with others. By submitting an online review, you are representing to Barnes & that all information contained in your review is original and accurate in all respects, and that the submission of such content by you and the posting of such content by Barnes & does not and will not violate the rights of any third party. Please follow the rules below to help ensure that your review can be posted.

Reviews by Our Customers Under the Age of 13

We highly value and respect everyone's opinion concerning the titles we offer. However, we cannot allow persons under the age of 13 to have accounts at or to post customer reviews. Please see our Terms of Use for more details.

What to exclude from your review:

Please do not write about reviews, commentary, or information posted on the product page. If you see any errors in the information on the product page, please send us an email.

Reviews should not contain any of the following:

  • - HTML tags, profanity, obscenities, vulgarities, or comments that defame anyone
  • - Time-sensitive information such as tour dates, signings, lectures, etc.
  • - Single-word reviews. Other people will read your review to discover why you liked or didn't like the title. Be descriptive.
  • - Comments focusing on the author or that may ruin the ending for others
  • - Phone numbers, addresses, URLs
  • - Pricing and availability information or alternative ordering information
  • - Advertisements or commercial solicitation


  • - By submitting a review, you grant to Barnes & and its sublicensees the royalty-free, perpetual, irrevocable right and license to use the review in accordance with the Barnes & Terms of Use.
  • - Barnes & reserves the right not to post any review -- particularly those that do not follow the terms and conditions of these Rules. Barnes & also reserves the right to remove any review at any time without notice.
  • - See Terms of Use for other conditions and disclaimers.
Search for Products You'd Like to Recommend

Recommend other products that relate to your review. Just search for them below and share!

Create a Pen Name

Your Pen Name is your unique identity on It will appear on the reviews you write and other website activities. Your Pen Name cannot be edited, changed or deleted once submitted.

Your Pen Name can be any combination of alphanumeric characters (plus - and _), and must be at least two characters long.

Continue Anonymously
Sort by: Showing 1 review with 1 star rating   See All Ratings
Page 1 of 1
  • Posted December 21, 2011


    Unfortunately, I have to report that this calculator and it's predecessor, the HP 20b have a bug. The depreciation schedules give incorrect results. If partial year beginning months are used the results will be inaccurate and not even sum to the value of the asset. Additionally the RBV/ RDV will be off as well. These units also calculate incorrectly when using DBXover. They will calculate the initial accelerated correctly, but when making the change to straight line, the depreciation numbers are off. Declining balance also seems to be off. Perhaps the worst aspect of this: the depreciation does not sum to the value of the asset. Anyone relying on these numbers each year is losing money. HP should be ashamed. Bad numbers for TWO generations of calculators? It's unfortunate because this calculator is excellent in so many other ways. For the sake of credibility you should know that I am not a novice. I verified these numbers against other HP calculators, and other manufacturers. (I own every current model of financial calculator). I'm a financial consultant. This problem has also been reported by other users on HP forums. If you want a menu-driven calculator without any bugs I recommend the TI BAII Pro (which the HP 30B is designed upon) It has most of the functions of the HP 30B. The BA II PRO and the HP 12C are the only calculators accepted for the CFA exam.

    Was this review helpful? Yes  No   Report this review
Sort by: Showing 1 review with 1 star rating   See All Ratings
Page 1 of 1