---
name: "jacal"
section: "1"
platform: "linux"
package: "jacal"
version: "1c8-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/jacal"
---

# jacal(1)

symbolic mathematics system

## NAME

JACAL - symbolic mathematics system

## SYNOPSIS

**jacal** \[ scheme \| scm \| gsi \| gosh \| guile \| scheme48 \| larceny \| scmlit \| elk \| sisc \| kawa \| mzscheme \]\

## DESCRIPTION

JACAL is a symbolic mathematics system for the simplification and manipulation of equations and single and multiple valued algebraic expressions constructed of numbers, variables, radicals, and algebraic functions, differential, and holonomic functions.  In addition, vectors and matrices of the above objects are included.

## OPTIONS

The optional argument to the *jacal* script is the Scheme implementation to run.  Absent the argument, it searches for implementations in the above order.

## ENVIRONMENT VARIABLES

- **SCHEME\_LIBRARY\_PATH**

  is the SLIB Scheme library directory.

## FILES

- jacal.info

  Texinfo documentation of *jacal.*

- demo

  batch("demo"); to demonstrate commands in *jacal*

- rw.math

  batch("rw.math"); to demonstrate tensors in "The Robertson-Walker Cosmology Model".

- test.math

  batch("test.math"); for regression suite.

## AUTHORS

Aubrey Jaffer (agj @ alum.mit.edu)\
 Michael Thomas\
 Jerry D. Hedden

## SEE ALSO

The JACAL home-page:\
 http://people.csail.mit.edu/jaffer/JACAL.html

- The full documentation for jacal is maintained as a Texinfo manual. If the info and jacal programs are properly installed at your site, the command

  info jacal

- should give you access to the complete manual.