Graphing Calculator 3D 3.2 new

New In Version 3.2 (March 08, 2010)

• Improvement:
  • When typing data in coordinates table in polar mode, the (x,y,z) part of the table is automatically computed.
  • Improved error messages.
  • No longer declare new variables automatically to avoid confusion.
  • Show proper error messages when unknown variables or functions are used.
  • Support for 64bits in Linux, Mac and Windows.
• Fixes:
  • Parametric equations in 2D and 3D would not plot properly.
  • Importing polar coordinates would not generate graph.
  • Creating new polar coordinates table would not generate graph.
  • Equations with undefined regions (like half circles) would draw a flat line or surface over the undefined region.
  • Math result box would flicker when computing.
  • Draw settings dialog would not show correct data initially after program is started.
  • Table and parametric were selectable simultaneously.
  • 2D axis would not show by default if program is started with preloaded 2D equation.
  • Confusing error message would show when missing function parameter.
  • "Canvas3D: null GraphicsConfiguration" error.
  • "javax.media.j3d.Virtualuniverse.addRenderingErrorListener" error.

New In Version 3.1 (July 10, 2009)

• New Features:
  • Inequality graphs (supported in 2D, 3D, Cartesian, polar, spherical and cylindrical equations).
  • Slider control for changing variable values.
• Improvement:
  • You can now switch between 2D and 3D graphs by right clicking on the equation and selecting from pop-up menu.
  • Improved color shading along y and z axis.
  • Do not add blank line until a key pressed.
  • Focus is automatically gained when enabling an equation or changing its z= drop down.
  • Progress bar that appears when starting the program is enhanced with more useful information.
  • 2D sheet is zoomed in closer by default.
  • Free Edition now allows 5 equations instead of just 2.
• Fixes:
  • Axis color and visibility could not be changed.
  • Axis grids would not redraw properly when changing axis length or number of divisions.
  • Keypad would not show x,y,z buttons.
  • After opening a file with disabled equations, if you enable the equation it wouldn't be plotted.
  • Changing Theme would add an extra blank line.
  • Graphs that approach infinity like 1/x would keep disappearing and reappearing when rotating.

New In Version 3.0

• New Features:
  • Beautiful new user-interface.
  • Draw attributes can be saved as presets.
  • Axis settings can be saved as presets.
  • Coordinate tables can exported and imported as CSV files.
  • 3D equations can be plotted as transparent graphs.
  • The shininess of shaded graphs can be controlled.
  • Lines can be drawn as well as surface polygons in 3D graphs.
  • Zoom in, Zoom Out, and Zoom All buttons added.
  • The Axis Settings are saved when saving equations in files.
  • In full version, the previous equations and axis settings are automatically restored every time the program started.
• Improvement:
  • Improved Axis Setup controls.
  • Option to change Axis Range while fixing # of divisions.
  • Axis labels can now show decimal numbers.
  • More columns shown in coordinates table for parametric and polar equations to show complete values of all variables.
  • Switch color button added for gradual colors in Draw Attributes.
  • Automatically selected a different color when inserting new equations.
  • The state of Anti-Aliasing button is saved and restored next time the program is started.
  • Selecting new file resets the axis settings to default.
  • Automatically draw the equations when opening files.
  • Automatically switch to 2D/3D axis when clicking on a 2D/3D equation.
• Fixes:
  • [Table #] sometimes is highlighted in red.
  • Tables are drawn even when un-selected.
  • -(2+2) evaluates to 0 instead of -4.

New In Version 2.6

• New Features:
  • Polar coordinates in 2D.
  • Cylindrical coordinates in 3D.
  • Spherical coordinates in 3D.
  • Parametric equations in 2D and 3D.
  • Allow limiting the range of equation parameters.
  • Example button to insert sample equations on the fly.
  • All settings are saved and reloaded next time the program is started.
    • This includes: windows size and location, precision, number of decimal places, angle units and fraction.
• Improvement:
  • Settings are now
  • Brackets in front of functions are now optional.
  • The blank equation automatically switches between 2D/3D depending on which axis is currently displayed.
• Fixes:
  • Initially wrong axis was drawn in 2D.
  • Selecting/deselecting Table checkbox used to insert new blank equations.
  • x= would not be plotted when x range was larger than y range
  • Log(x) would not plot anything.

New In Version 2.5

• Improvements:
  • A blank equation is automatically inserted at the end of equation list for convenience.
  • Moving through equations with arrow keys is made easier.
  • Faster redraw by avoiding the draw of unnecessary graphs.
  • Reduced pop-ups in Free-Edition.
• Fixes:
  • Graph is sometimes not automatically updated with the last keystroke.
  • Result textbox sometimes disappears randomly.
  • Value table is sometimes not updated.

New In Version 2.4

• New Features:
  • Center Axis option.
  • Axis Glass Plates option.
  • Instant graphing as you type an equation after each key stroke.
  • Ability to "cancel" drawing.
  • Clip graphs within axis range.
  • Auto-add new blank equation.
  • Graph equations that start with either x= or y= or z=.
• Improvement:
  • Plot graphs in a separate background thread so that user-interface is always fast and responsive.
  • Faster graphing in multi-core computers.
  • Improved axis drawing.
• Fixes:
  • Fixed NaN error with root(x), or root of negative numbers.
  • Fixed NaN error with ln(x), or ln of negative numbers.

New In Version 2.3

• New Features:
  • Plot 2D and 3D graphs of arbitrary (x,y,z) data.
  • Generate the x-y-z value table of 2D and 3D functions.
  • Modify the x-y-z value table of function and plot the modified table.
  • Plot 2D functions as points or lines
  • Plot 3D functions as points, lines (wireframe) or polygons.
  • Ability to control precision and number of decimal places.
  • Ability to turn anti-aliasing (smoothness) on or off.
• Improvement:
  • More precise computations up to 1000 digits precisions.
  • Faster load time.
  • Check for updates at exit time instead of start time.
  • More clear error messages.

New In Version 2.2

• New Features:
  • Ability to define your own functions.
• Improvement:
  • Improved initial 3D view direction.
  • Rotation animation and rotation with mouse can now be done together and at same time.
  • Degrees unit is available as well as radians.
  • Color box is added next to each math expression.
  • Faster load time.
  • Improved initial window size.
  • Improved window appearance.
• Fixes:
  • Fixed problem with the reversed rendering surface when in DirectX mode.
  • Fixed the animation delay.
  • Fixed problem with corrupted graph view after resizing the window.

New In Version 2.1

• New Features:
  • New Smart Math Calculator features added. You can now type any math expressions and the program immediately calculates the result.
  • You can define your own variables to be referenced by the functions that are to be plotted.
• Improvement:
  • You are no longer forced to put -1 in brackets when typing x^-1
  • Faster loading time.
• Fixes:
  • Fixed problem with 3D axis. The x and y axis are now at their correct positions.
  • Problem with negative numbers inside brackets are solved. (-1) now returns correct result.
  • Problem with consecutive negative operators is solved. -(-(-1)) now returns correct result.
  • Problem with Auto Update popping up even when "Don't ask again" is selected is fixed.

New In Version 2.0

• New Features:
  • Change color of background, axis, grids, tick-label and more.
  • Animate-rotate the graphs.
  • Reset graph-view.
  • Short keys for inserting equation.
  • Copy graphs to clipboard.
  • Save graph to file.
  • Print graphs.
  • Save and open equations files.
• Improvement:
  • Improved error msg, with red highlight-only when lost focus.
  • Display error msg when x,y,z axis range are invalid.
  • Auto add 3D formula when in 3D sheet.
  • Auto-save recently used colors in color chooser dialog box.
  • New menu bar.
  • Auto-update.
  • Splash screen with progress bar.

New In Version 1.3

• New Feature: Support for over 20 new functions, such as rootn, min, floor, sinh, etc.
• New Feature: Support for over 15 constants, such as Pi, e, k, c, etc.
• New Feature: Keyboard panel is added for convenience. All functions and expressions can be typed using the keyboard panel.
• New Features: rootn(n,x) function can now correctly solve odd roots of negative numbers.
• New Feature: "Redraw All" button is added.
• Improvement: It now generates error msg if a function or variable is not supported.
• Improvement: It now generates error msg if you pass more or less parameters to a function than expected.
• Bug Fix: It now accepts 2y to be 2 multiplied by 'y'. No longer required to type 2*y.
• Bug Fix: In the event of rendering error, it now shows an error msg instead of shutting down silently.

New In Version 1.2

• Improvement: New version of Java3D 1.5.1 is used for improved rendering.
• Bug Fixed: It would crash when OpenGL drivers were not installed. Now it automatically switches to DirectX if OpenGL is not available.

New In Version 1.1

• Improvement: Plots graphs automatically even if you don't press Enter.
• Improvement: New user interface elements are added.
• Improvement: Error messages for invalid math expression are improved.
• Bug fixed: It would generate invalid result whenever parenthesis () are used.