2001-11-06 18:59:06 +00:00
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2001-11-14 09:12:48 +00:00
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This directory contains Calc, an advanced desk calculator for GNU
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Emacs.
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2001-11-06 18:59:06 +00:00
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2005-05-08 03:59:35 +00:00
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"Calc" Copyright 1990, 1991, 1992, 1993, 2001, 2005 Free Software Foundation, Inc.
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2001-11-06 18:59:06 +00:00
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2001-11-14 09:12:48 +00:00
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Written by:
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Dave Gillespie
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c/o Synaptics, Inc.
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2698 Orchard Parkway
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San Jose CA 95134
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daveg@synaptics.com, uunet!synaptx!daveg
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2001-11-06 18:59:06 +00:00
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2003-02-04 13:24:35 +00:00
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Currently maintained by:
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2004-11-26 22:32:51 +00:00
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Jay Belanger <belanger@truman.edu>
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2001-11-06 18:59:06 +00:00
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From the introduction to the manual:
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"Calc" is an advanced calculator and mathematical tool that runs as
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part of the GNU Emacs environment. Very roughly based on the HP-28/48
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series of calculators, its many features include:
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* Choice of algebraic or RPN (stack-based) entry of calculations.
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* Arbitrary precision integers and floating-point numbers.
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* Arithmetic on rational numbers, complex numbers (rectangular and
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polar), error forms with standard deviations, open and closed
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intervals, vectors and matrices, dates and times, infinities,
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sets, quantities with units, and algebraic formulas.
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* Mathematical operations such as logarithms and trigonometric functions.
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* Programmer's features (bitwise operations, non-decimal numbers).
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* Financial functions such as future value and internal rate of return.
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* Number theoretical features such as prime factorization and
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arithmetic modulo M for any M.
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* Algebraic manipulation features, including symbolic calculus.
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* Moving data to and from regular editing buffers.
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* "Embedded mode" for manipulating Calc formulas and data directly
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inside any editing buffer.
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* Graphics using GNUPLOT, a versatile (and free) plotting program.
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* Easy programming using keyboard macros, algebraic formulas,
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algebraic rewrite rules, or extended Emacs Lisp.
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Calc is written entirely in Emacs Lisp, for maximum portability.
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I am anxious to hear about your experiences using Calc. Send mail to
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2005-05-08 03:59:35 +00:00
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"belanger@truman.edu". A bug report is most useful if you include the
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2001-11-06 18:59:06 +00:00
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exact input and output that occurred, any modes in effect (such as the
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current precision), and so on. If you find Calc is difficult to operate
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in any way, or if you have other suggestions, don't hesitate to let me
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know. If you find errors (including simple typos) in the manual, let
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me know. Even if you find no bugs at all I would love to hear your
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opinions.
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2005-05-08 03:59:35 +00:00
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Summary of changes to "Calc"
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------- -- ------- -- ----
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2001-11-06 18:59:06 +00:00
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2005-05-08 03:59:35 +00:00
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Version 2.1:
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2001-11-06 18:59:06 +00:00
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2005-05-08 03:59:35 +00:00
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* Added new functions: sec, csc, cot, sech, csch, coth.
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2001-11-06 18:59:06 +00:00
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2005-05-08 03:59:35 +00:00
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* 0^0 now evaluates to 1.
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2001-11-06 18:59:06 +00:00
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2005-05-08 03:59:35 +00:00
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* Added a new language mode for LaTeX.
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* Calc now tries to use an appropriate language mode in embedded mode.
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* Calc now restores original modes when leaving embedded mode.
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2001-11-06 18:59:06 +00:00
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2005-05-08 03:59:35 +00:00
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* User settable variables which are not set with keystrokes are now
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customizable.
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2001-11-06 18:59:06 +00:00
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2005-05-08 03:59:35 +00:00
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* Made ~/.calc.el the default Calc settings file.
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* Miscellaneous updates and bugfixes.
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2001-11-06 18:59:06 +00:00
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Version 2.02f:
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* Fixed a bug which broke `I', `H', `K' prefix keys in recent Emacs.
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* Fixed a bug in calc.texinfo which prevented "make tex2" from working.
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* Updated `C-y' (calc-yank) to understand Emacs 19 generalized kill ring.
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* Added a copy of "calccard.tex", the Calc quick reference card.
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Version 2.02e:
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* Fixed an installation bug caused by recent changes to `write-region'.
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Version 2.02d:
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* Fixed a minor installation problem with a Emacs 19.29 byte-compiler bug.
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* Removed archaic "macedit" package (superseded by "edmacro").
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Version 2.02c:
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* Patch to port Calc to Lucid Emacs 19; still works with GNU 18 and GNU 19.
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* Fixed a bug that broke `C-x C-c' after Calc graphics had been used.
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Version 2.02b:
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* Minor patch to port Calc to GNU Emacs 19. Will be superseded by Calc 3.00.
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Version 2.02:
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* Revamped the manual a bit; rearranged some sections.
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* Added marginal notes for Key/Function Index refs in printed manual.
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* Changed `M-# r' to deal more gracefully with blank lines.
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* Made reductions like `V R +' and `M-# :' considerably faster.
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* Improved parsing and display of cases like "[a + b]".
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* Added `t +' and `t -' for doing business date arithmetic.
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* Added "syntax tables," the opposite of compositions.
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* Added another Rewrites Tutorial exercise.
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* Added the "vmatches" function.
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* Added the `Modes' variable and `m g' command.
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* Improved `u s' to cancel, e.g., "11 mph hr / yd" to get a number.
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* Added "quick units" commands "u 0" through "u 9".
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* Moved `M-%' to calc.el to avoid autoloading problems.
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* Added `M-=' during algebraic entry, acts like `RET ='.
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* Made `LFD' prevent evaluation when finishing a calc-edit command.
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* Changed calc-store commands to use `t .' mode for trail display.
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* Improved integrator to understand forms involving "erf".
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* Fixed parser to make sense of "[1....1e2]" input.
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* Fixed FORTRAN parser to treat a(i,j) as a_i_j if a is declared matrix.
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* Got rid of some version number stamps to reduce size of patches.
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* Fixed a bug in defmath treating "<=" and ">=" predicates.
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* Fixed a bug in which Calc crashed multiplying two date forms.
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* Fixed a bug in line breaker that crashed for large, nested formulas.
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* Fixed a bug using ` to edit string("foo").
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* Fixed a bug where `M-# y' in Big mode copied stack level number.
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* Fixed a bug where `g O' used wrong default directory, no completion.
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* Fixed a bug where "foo_bar(i)" parsed in C mode but showed as foo#bar.
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* Fixed several bugs where large calculations got "computation too long."
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Version 2.01:
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* Added percentage commands `M-%', `b %', and `c %'.
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* Changed Big mode to force radix-10 in superscripts.
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* Improved display of fractions in various language modes.
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* Changed `a n' to work properly with equations and inequalities.
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* The problem with cross references to Index nodes in TeX has been fixed.
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* Fixed a bug where recursive esc-maps make calc-ext/-aent unloadable.
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* Fixed a bug in `M-# k', then `OFF' right away, with fresh Emacs.
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* Fixed a bug in which "S_i_j" was formatted wrong after `j s'.
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* Fixed a bug in which `h k u c' positioned cursor on wrong line.
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* Fixed a bug where `z ?' crashed if `z %' was defined.
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* Fixed a bug in `j O' (calc-select-once-maybe).
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* Fixed "make private" not to ask "Delete excess versions" and crash.
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Version 2.00:
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* First complete posting of Calc since 1.01.
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* Most parts of Calc have seen changes since version 1.07. See
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section "New for Calc 2.00" in the manual for a summary. In
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the FTP version of the Calc distribution, the file README.prev
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contains a detailed change history from 1.00 up to 2.00.
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