General readme information
==========================

Brief vendor info
-----------------

Program      : ECW Expression Calculator 1.06 text-mode for Win9x/NT/2000
Purpose      : mathematical expression calculator
Installation : not required, just unzip package to any folder
Status       : freeware, freely distributable
To contact   : mail the author to: Alexey Torgashin, alextp@mail.ru


Quick start
-----------

Run application executable ec.exe.
In program dialog you may type math expression and see result of its
evaluation in decimal/hex/binary/octal/exponential formats. Press Enter
to transfer result into expression field for editing; press Ctrl+Enter
to copy result directly to clipboard.

The expression you just calculated is added to input history, you may
recall it from drop-down list using Ctrl+Down keys.

Refer to Calc.txt for description of calculator features.
Refer to Func.txt for complete list of standard functions.


Disclaimer
----------

This software is provided "as is" without warranty of any kind.
Although this software has been extensively tested, the author accepts
no responsibility for any kind of loss that could be caused by the
usage of this program.


Dialog commands
---------------

The following keyboard commands are available in dialog:

  chars, Del, BkSp      edit expression
  Left,Right,Home,End   move cursor
  Shift+arrows          select text block

  Ctrl-C, Ctrl-Ins      copy text to clipboard
  Ctrl-X, Shift-Del     cut text to clipboard
  Ctrl-V, Shift-Ins     paste text from clipboard

  Up, Down              choose current result format
  Enter                 copy result into edit field
  Ctrl-Enter, Alt-Ins   copy result to clipboard
  Ctrl-Up, Ctrl-Down    call expressions history menu

  Ctrl-Y                clear input line
  Ctrl-S                show/hide error status
  Alt+arrows            move window
  Esc, F10              quit

Some of commands can also be performed by mouse. Using mouse you can:
move text cursor, call history menu, select result format, double-click
on result to copy it into edit field, drag dialog window, quit dialog.


Configuration files
-------------------

Calculator can be customized by editing configuration files, which are
located in the same directory as ec.exe:

  ec.ini      - main configuration file
  ec_defs.ini - list of user variables/functions definitions

They are plain text self-commented files, use Notepad or any other text
editor to make changes in them.


Command line syntax
-------------------

The following commands can be run with ec.exe:

  ec                  - run calculator in dialog mode
  ec /c               - run calculator in command line mode
  ec <expression>     - evaluate expression and quit
  ec /i <expression>  - set initial input in dialog
