SpicyRPN User Manual
SCIENTIFIC / FINANCIAL
SpicyRPN
User Manual
Multiple Precision (MP)
Scientific and financial calculation
Free Open Source Software
Original source and manual: MIT License
Bryan R. Davies
Copyright © 2026 Bryan R. Davies
Release 2.0.0
18 October 2026
Application version 2.0.0 (build 3)
Licensing and acknowledgments
Contents
How to use this manual
I Getting Started
1 Getting Acquainted with SpicyRPN
2 The SpicyRPN Stack
3 First Calculations in RPN
4 Calculations in ALG Mode
II Everyday and Scientific Use
5 Numbers, Precision, and the Display
6 Storing and Reusing Values
7 Scientific Functions
8 Complex Numbers
9 Unit Conversions
III Statistical and Financial Calculations
10 Statistics
11 Time Value of Money, Loans, and Savings
12 Cash Flows, NPV, and IRR
13 Additional Financial and Date Calculations
IV Reference and Problem Solving
14 Saved Work, Clearing, and Troubleshooting
15 Complete Command and Settings Reference
A Learning and Mastering RPN
B Why RPN?
C Mathematical and Numerical Reference
D Obtaining and Building the Source
E MIT and GNU license texts
Glossary and Mathematical Symbols
Bibliography and Further Reading
Index