teapot-spreadsheet/README.md

2.6 KiB

teapot-spreadsheet

This project represents further development on Teapot, a three-dimensional, function-oriented spreadsheet with iterative updates, written by Michael Haardt and Jörg Walter, from V 2.3.0 posted 2012 Feb 6.

This is a development version following release 2.3.0 of teapot (Table Editor And Planner, Or: Teapot), a spread sheet program for UNIX.

Copyright (C) 1995-2006 Michael Haardt
Copyright (C) 2009-2012 Joerg Walter
Copyright (C) 2019,2023 Glen Whitney
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

This current development version has the following features:

  • curses based user interface with easy to understand menus
  • FLTK 1.3 based GUI following common user interface conventions
  • Cross-platform compatibility
  • UTF-8 support
  • portable ASCII sheet file format
  • tbl, LaTeX, HTML, CSV or formatted text files can be generated and simple SC and WK1 sheets can be imported
  • typed expression evaluator with the types int, bool, float, string, error, location of cell, keyword, expression, style, and empty
  • iterative expressions
  • powerful cell addressing
  • three-dimensional sheets
  • new expression evaluator functions can be added very easily
  • cell styles either set manually or computed based on the values in the sheet
  • a user guide, available as PDF and HTML
  • It is still a small and simple program!

teapot should work on any system which supports the following:

  • ANSI C
  • An XDR library (included in tirpc, otherwise use http://people.redhat.com/~rjones/portablexdr/ )
  • For the text interface: SYSV curses or ncurses library
  • For UTF-8 in the text interface: libncursesw and a UTF-8 locale
  • For the FLTK interface: C++
  • For the FLTK interface: FLTK 1.3

A GNU zipped tar file of the prior release V 2.3.0 is available from:

http://www.syntax-k.de/projekte/teapot/

This development version is hosted at https://code.studioinfinity.org/glen/teapot-spreadsheet.

For more information, read the included manual in HTML or PDF format.