For more information while running calc, type help followed by one of the following topics: topic description ----- ----------- intro a brief introduction to calc command top level commands expression expression sequences define how to define functions variable variables and variable declarations statement flow control and declaration statements operator math, relational, logic and variable access operators types builtin data types obj user defined data types mat using matrices list using lists file using files builtin builtin functions config configuration parameters interrupt how interrupts are handled history command history usage how to invoke the calc command todo needed enhancements credit who wrote calc, and who helped, copyright full all of the above topics help this file overview brief overview of calc stdlib description of some lib files shipped with calc environment how environment variables effect calc bindings input & history character bindings For example: help usage will print the calc command usage information. One can obtain calc help without invoking any startup code by running calc as follows: calc -q help topic where 'topic' is one of the topics listed above.