
The Calculator Treatises
The HP 20B Business Consultant
A Comprehensive Treatise on Financial, Scientific, Statistical, and Business Calculation
Richard Murdoch Montgomery
In print
A full treatise on the HP 20B for financial, scientific, statistical, and business calculation.
A volume of the Calculator Treatises: the pocket instrument taken seriously, every key-sequence printed beside the mathematics.
- Reference
- SSSP HP20B
- Series
- The Calculator Treatises
- This edition
- 2026
- Editions
- eBook, Paperback
- Language
- English
- Printing
- To order, by Lulu
Shelved nearby
The whole series
The HP10b+ Scientific Calculator
A Complete and Financial Treatise

The HP 19BII Scientific and Financial Calculator
A Treatise on Calculation, Finance, and Numerical Judgement

The HP 17BII Financial Calculator
A Complete Treatise on Business Mathematics, Finance, Solver Modelling and Applied Quantitative Reasoning

The HP 300s+
A Comprehensive Treatise in Mathematical Reasoning, Scientific Computation and Problem-Solving

The Casio fx-9860GII
A Comprehensive Treatise on Its Architecture, Its Mathematics, Its Programming, and Its Use