GraphCalc Version History
Version History
4.0.1 Released November 24rd, 2003
 Fixed standard deviation computation error (Bug #846577)
 Fixed settings saving error with number of decimal points (Bug #842701)
0.0.1 for Linux Released November 12, 2003
4.0 Released November 3rd, 2003
 Fixed mode error which truncated output (Bug #831166)
4.0 beta Released October 8th, 2003
 Fixed ncr / npr mathematics
 Removed extraneous catalog items
4.0 alpha 1 Released Novemeber 19th, 2001
 Infobar and Toolbar
 2D Parametric Graphing
 NSlider for 2D graphing
 Improved Find Area function
 CTRLLeft Click + Drag on 2D Graphs
 New User Interface for creating animations
3.1, Released December 9th, 2000
 Improved 3D graphing with wires
 Table of values for 2D graphs
 Eliminated the flashing effect when resizing the window
 An ANS button that allows you to insert your previous answers into the
expression box
 Scripting
 option to turn the progress dialog off
 when the progress dialog is off you can press escape to cancel execution of
the script
 looping capabilities via a While command
 conditional statements with If and ElseIf
3.0, Released October 20th, 2000
 Script Library
 More commands for displaying and entering information while running a script
 Improved performance in 3D graphing
 Autorotating feature for 3D graphs
 You can now use (yn) as part of another equation in your graph, where n is the number of the equation
 Hex palette for easy access to hex digits
 New 2D Graphing features...
 Option to change the size of the font in 2D graphing
 You can now change the font of the detailed output and base
 Find the intersection of 2 equations
 Find the axis intercepts of an equation
 Find local extrema on an equation
 Font settings are now saved in the settings file
 Save the output window to a rich text formatted file
 Equation Solver
2.11, Released May 5th, 2000
 Fixed bug with 3D options box giving multiple error warnings
2.1, Released April 30th, 2000
 Fixed bug with 2D graph options crashing
 Improved scrolling in output window
 Fixed output window selection problem
2.0, Released April 26th, 2000
 Polar graphing
 3D graphing
 Scripting Capabilities (See Command List, Sample Scripts)
 Export 3D functions to a DXF file
 Saving all graph tabs in the settings file
 Saving graphs as a bitmap file
 Option to plot 2D graphs as lines or a series of dots
 Save the output window and expression history on exit
Version 1.5 (Released February 2nd, 2000)
 Printing of the graph window
 Printing of the output area
 Improved calculating engine, up to 5x faster!
 Statistics functions
 Fibonacci function
Version 1.21 (Released October 1st, 1999)
 More options for output format
 The variables pi and e are predefined
 Always on top option
 Better menu organization
 Many bug fixes
Version 1.2 (Released September 30th, 1999)
 More options for output format
 The variables pi and e are predefined
 Always on top option
 Better menu organization
 Many bug fixes
Version 1.15 (Released September 5th, 1999)
 Fixed some bugs with trig functions outputting the wrong answer. (example: cos(0) = 0, that is incorrect, version 1.15 has corrected this problem)
 The option to use a '.' or ',' as your decimal separator
 Improved precision with output (example: binary answers can be outputted with 52 digits of precision)
Version 1.1 (Released August 27th, 1999)
 Many many bug fixes throughout the program
 The ability to save your settings in a file and load settings from a file.
 Shortcut keys for many of the operations in GraphCalc.
 The option of a standard output or a long output.
 MORE graphing features and improved old ones
 evaluate dialog box to evaluate an equation at any given point
 ability to draw a tangent line at any point on any equation
 find the distance between any two points on any two equations
 the cursor position will be displayed on the graph
 the speed of tracing has been greatly increased
 copy graph to clipboard so you can paste it in another graphics program or in an other application, such as MS Word
 change the color of any of the graphing elements
Version 1.0 (Released July 20th, 1999)
 you can enter an equation to graph in the expression box. it will automatically be entered in the graph options and will draw the graph for you
 many improvements in tracing, all bug fixes and error checking
 we now have a standard edit menu
 a catalog of all operators from the help menu
 user entered constants will available in the constants menu (CONS button)
 base conversions are now available from the base button
 added the following operators: !, ncr, npr, irand, frand, round, upart, ipart, integer, floor, ceiling, absolute, maximum, minimum, %, mod, lcm, gcd
 you can now rename the graph tabs
 added ToolTips to the buttons
 you can now find the area between two equations
 added a previous range option to the zoom menu
Version 0.9.0.2 ALPHA
 double click in graph centers on the spot you clicked
 formula box is now a dropdown combo box containg a history of all formulas entered
 added an option in the clear menu to clear the formula history combo box
Version 0.9.0.1
 added support for bases from 2 to 36
 major bug fixes in the tranlator
 added support for user entered variables
 autopanning when tracing
 autoconvert to scientific notation when answer is too large
or small
 fixed GDI problems with tracing
 many other small bugs have been fixed as well
 help files
Version 0.4.1.99
 added dy/dx into tracing
 fixed "trace" menu item
Version 0.3.14.99
 number of combinations
 number of permutations
 factorial
 logical operators: == >= > <= < !=
 dynamic constant menu update
 menus can now have a sub menu structure of an infinite depth
 new data file format
Version 0.3.7.99
 can have up to 10 different graph tabs
 tracing a graph works now
 fixed a bug in the conversion strings
Version 0.3.4.99
 dynamic constant and conversion menus
 data is read in from files: constants.dat and
units.dat

