Hewlett-Packard HP 20b (Business Consultant)
The Hewlett-Packard HP 20b is a finance calculator with 10 digits precision and RPN (reverse polish notation) logic. It has 37 keys, and an LCD (liquid crystal) display. The power source is 2xCR2032 3V. Note: Can use algebraic or RPN logic.
Facts at a glance:
|Power Source||2xCR2032 3V|
If you have a Hewlett-Packard HP 20b that is no longer working, you can first try replacing the 2xCR2032 3V batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements: