rpn-calculator

• Real Number real
• Complex Number (re,im)
• Binary Integer #1234AB (64 Bit)
• String "Text"
• Real Vector [reall real]
• Real Matrix [[r11,r21][r21,r22][r31,r32]]
• Complex Vector [(a,b) (a,b)]
• Complex Matrix [[(a,b),(a,b)][(a,b),(a,b)][(a,b),(a,b)]]
• List {Object, Object,...}
• Expression 'Ausdruck'

Step 2

• Fraction (nom;denom)

Build

Prerequisites

If you like to build that project on your own you have to have the following setup:

• JDK21+
• Maven 3.8+

mvn clean verify

Code Coverage

Code coverage via:

mvn clean verify org.jacoco:jacoco-maven-plugin:report

https://www.manualslib.com/manual/1527472/Hp-Hp-28s.html?page=44#manual https://www.youtube.com/watch?v=eni1hv94gRA

Precision HP28S vs. IEEE 754 double precision (Java Double)

• http://thimet.de/CalcCollection/Calculators/HP-28SC/HP-28S-Quick-Reference.pdf
• https://en.wikipedia.org/wiki/Double-precision_floating-point_format

https://tredje.se/rpn28xcalc.html

https://github.com/sympy/sympy

• https://hackernoon.com/building-your-own-programming-language-from-scratch

• https://github.com/alexandermakeev/toy-language

• https://jakubdziworski.github.io/categories.html#Enkel-ref

Need to check:

• https://mathparser.org/