v0.3.0

Includes a working jar of the CAS codebase from Feb 2021. To run it, use java -jar CASprzak.jar with Java 17 or later.

v0.2.1

v0.2.1

Minor Additions

• Add 'v' to the version string of the version command
• Add v alias for version in KeywordInterface

Bugfixes

• Fix malformed whitespace in the help command
• Fix expressions like d/d\Gamma causing parsing errors
• Fix evaluation using LaTeX replacements such as eval 2\Gamma \Gamma=3 causing parsing errors

v0.2.0

v0.2.0

Major Additions

• Integer division (with //), modulo, lcm, and gcd operations
• Floor, ceiling, rounding, and random operations
• New abstract classes for new integer operations
• Settings to enforce functions' domain and range when simplifying using inverse functions
• Array indexing to retrieve values from methods like solve

Minor Additions

• Make parsing errors more descriptive
• Port parsing to use operation maps rather than operation lists
• New test class for integer operations
• Many new exceptions for improved error handling
• Support for _ in evaluate (used as eval x^2 x=_ when _ is a Double)
• Better handling of ArrayIndexOutOfBoundsExceptions in the keyword interface
• err command to improve error reporting
• version command
• reset command

Changes

• Restrict variable and function names to a regex of valid names to improve multi-character name support
• Change equals to check if two functions are exactly equal and implement equalsSimplified to check if they are equal when simplified
• Make substitute/sub more powerful in the keyword interface by allowing the substitution of multiple expressions simultaneously
• Make def and sub in automatically perform a minimalSimplify
• Move SettingsParser functionality directly to Settings
• Rename SpecialFunction to EndpointFunction
• Improve exit logic from all interfaces

Bugfixes

• Fix toInteger error message using the wrong margin from Settings
• Fix bad rounding in ParsingTools.toInteger and ParsingTools.isAlmostInteger
• Fix the evaluation of several arctrig functions
• Fix parsing of non-escaped expressions with spaces such as 1 + sin(x)
• Fix defconstant not LaTeX-escaping constant names
• Add an exception when user attempts to use nested quotes in keyword interface
• Fix division by decimals such as 1/.2 not working properly

v0.1.2

v0.1.2

Bugfixes

• Fix properties not being read on launch for binaries

v0.1.1

v0.1.1:

Bugfixes:

• Improved support for carriage returns
• Fix bug that caused CASDemo to exit on entry if it had been previously completed

v0.1.0

CASprzak v0.1.0 is the first stable version of CASprzak. It has most of the core features of any computer algebra system, as delineated in README.md.