# teapot-spreadsheet This project represents further development on <a href="https://www.syntax-k.de/projekte/teapot/">Teapot</a>, 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 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.