fx-Calc Changelog

What's new in fx-Calc 4.9.4.0

Jul 18, 2023
  • Copy/paste for editor enabled
  • Recalculation at changing calculation options implemented
  • .net security updates

New in fx-Calc 4.9.3.2 (Jul 6, 2020)

  • Issue with grafic cursor values resolved
  • Issue with complex numbers resolved

New in fx-Calc 4.9.3.1 (Jun 23, 2020)

  • Issue with complex numbers resolved

New in fx-Calc 4.9.3.0 (Jun 21, 2020)

  • new feature to switch result format to exponential (scientific) number format improves transparency at very low or very high numbers
  • security updates of all components

New in fx-Calc 4.9.1.1 (Nov 22, 2018)

  • Security updates of all components

New in fx-Calc 4.9.1.0 (Feb 5, 2018)

  • Mathematical interpreter reworked to allow for standard functions with two parameters
  • As per several user requests, root n of value x implemented - new function button

New in fx-Calc 4.9.0.0 (Oct 25, 2017)

  • Mathematical interpreter reworked
  • Expressions like: 4x +7 = -5x + 12 - ln(x) can now be used directly in the following modules:
  • Expression solver
  • 2d function plots
  • Function analyser
  • An explicite function declaration using f()= isn't required anymore
  • Missing identifyer declarations will be displayed with detailed information what is missing

New in fx-Calc 4.8.7.3 (Sep 15, 2017)

  • fix for using fx-Calc on multiple screens
  • consistent take over of functions from calculator to other dialogue screens
  • default 11 digit rounding

New in fx-Calc 4.8.7.2 (Sep 5, 2017)

  • Fix for possible issue while loading saved configuration data
  • Updated links to new tutorial videos
  • Design adjustments in all dialogues

New in fx-Calc 4.8.6.2 (Jun 6, 2017)

  • fix for combination n > k

New in fx-Calc 4.8.6.1 (May 12, 2017)

  • initial setting to round decimals (11 digits)
  • small hints on rounding handling added to the settings dialogue

New in fx-Calc 4.8.5.1 (Sep 28, 2016)

  • Important fix to correct pole point calculation for inverse tangent function

New in fx-Calc 4.8.5.0 (Aug 9, 2016)

  • important fix to correct pole point calculation for more complex functions
  • improved handling of switching edit modes for 2d plots

New in fx-Calc 4.8.4.0 (Jun 23, 2016)

  • support for all types of brackets {[( improves readability of expressions
  • reworked offline documentation

New in fx-Calc 4.8.3.0 (May 30, 2016)

  • Issue in handling of drop down boxes for functions solved
  • improved 2D plot:
  • alternative plot for square root
  • alternative plot for square root and complex numbers
  • improved 2D plot dialog box table versus editor field

New in fx-Calc 4.8.2.1 (May 26, 2016)

  • interpreter improvements:
  • tolerance for multiple operators
  • handling of multiple root calculations in one expression
  • copy - paste support for special characters
  • design adjustments

New in fx-Calc 4.8.2.0 (Apr 27, 2016)

  • adjustments in combinatorics module
  • further design adjustments in the following modules:
  • 3D function plot
  • 2D function plot
  • Solver
  • Function analyze modul

New in fx-Calc 4.8.0.0 (Jan 21, 2016)

  • new assistant for combinatorics

New in fx-Calc 4.7.2.1 (Jan 11, 2016)

  • few design and wording adjustments
  • improved exception handling

New in fx-Calc 4.7.2.0 (Dec 2, 2015)

  • new comfortable feature to send feedback
  • re-launch connectivity check manually
  • new option to disable syntax highlighting on slow systems
  • certain design adjustments

New in fx-Calc 4.7.1.0 (Nov 20, 2015)

  • new design elements to resolve issues with very long complex results
  • new feature allows to select functions from a dropdown box:
  • 2D plots
  • 3D plots
  • analyze functions
  • solver

New in fx-Calc 4.7.0.0 (Nov 9, 2015)

  • reworked function analyze module:
  • adjusted precssion setting for extrem point calculation to prevent numeric issues
  • interval settings can now be changed on all relevant tabs, which is a significant improvement
  • few design improvements
  • migration of existing configuration data starting from version 4.6

New in fx-Calc 4.6.0.0 (Oct 26, 2015)

  • new concept to save status and configuration, allows data migration to coming versions
  • design adjustments
  • new options:
  • rounding for calculator and result tables
  • design element colors

New in fx-Calc 4.5.2.1 (Sep 26, 2015)

  • Improved globalization settings to force US number format

New in fx-Calc 4.5.2.0 (Sep 21, 2015)

  • important correction to enable chart elements for complex numbers
  • interpreter correction for complex numbers
  • initial argument for tangent equation is being adjusted if the derived function at this point is 0
  • new documentation released

New in fx-Calc 4.5.1.0 (Sep 11, 2015)

  • fix for doubled minimum/maximum results
  • under special conditions (symetric intervall and odd number of steps) fx-Calc was returning 2 same extrem points instead of just one, this is fixed now

New in fx-Calc 4.5.0.1 (Sep 1, 2015)

  • small fix for data cursor in 2d charts
  • design adjustment

New in fx-Calc 4.5.0.0 (Aug 23, 2015)

  • Windows 10 compatible
  • 2D chart options can be changed (color settings and gradient)
  • 2d chart options managed from just one dialogue, consistent layout and automated handling of saving and loading options

New in fx-Calc 4.4.0.2 (Jul 11, 2015)

  • Clipboard button for function plots is back again

New in fx-Calc 4.4.0.0 (Jun 9, 2015)

  • new interactive cursor in 2d plots
  • calculator results (decimals) can be shown as hex values
  • fading indicator for clipboard interaction

New in fx-Calc 4.3.0 (May 16, 2015)

  • important interpreter correction after fix for power function
  • new recursive procedure to improve pol point calculation
  • all result tables can now be copied to clipboard
  • regression allows to import spreadsheet data content via clipboard
  • consistent design for messages
  • increased number of parametric functions (40)

New in fx-Calc 4.1.2.0 (May 9, 2015)

  • Important improvement in pol point calculation
  • extended function plot, including pol points with values

New in fx-Calc 4.1.1.0 (May 2, 2015)

  • Important improvement by eliminating range exceptions for function plots
  • improved logic for pol point calculation
  • support for multiple power functions

New in fx-Calc 4.1.0.0 (Apr 24, 2015)

  • calculation of pol points for
  • rational function
  • Tangent function
  • design adjustments

New in fx-Calc 4.0.1.0 (Mar 30, 2015)

  • new features to plot parametric functions
  • user defined color gradient for parametric functions

New in fx-Calc 3.11.0 (Mar 13, 2015)

  • Improved stability of numerical procedures
  • For functions with results less than 1e-6 it could happen to see confusing results for solutions. This is fixed by improving the numerical procedures to let them automatically adapt to the functions range of results
  • bug fix for power function in combination with square root function
  • new combined installer for 32 and 64 bit version

New in fx-Calc 3.10.3 (Mar 3, 2015)

  • new 32 bit version with minor corrections
  • new 64 bit version

New in fx-Calc 3.10.1 (Jan 26, 2015)

  • starting point for tangent is now being calculated as average of the start intervall
  • improved stability for tangent calculation
  • tangent equation can be moved to calculator

New in fx-Calc 3.10.0 (Jan 12, 2015)

  • calculation of tangent equations
  • interactive Newton iteration to solve equations

New in fx-Calc 3.9.2 (Dec 5, 2014)

  • interpreter adjustment to improve handling of decimal separators ( "," is now possible in editor window) and improved handling for multi line input
  • improved file save methods to support multi line input

New in fx-Calc 3.9.0 (Nov 25, 2014)

  • improved handling of missing operator for multiplication
  • new functionality to save or load your scenarios for:
  • 3D function plots
  • 3D vector plots
  • 2d function plots

New in fx-Calc 3.8.4 (Nov 10, 2014)

  • improved web module for online content
  • reworked documentation
  • bug fix for issue with 3D vector plots (wrong decimal conversion)
  • improvements in handling and design

New in fx-Calc 3.8.3 (Oct 31, 2014)

  • reworked interpreter modul
  • direct link to perform whatever kind of conversion via free WEB frontend

New in fx-Calc 3.8.2 (Oct 18, 2014)

  • fix to correct handling of decimals based on cultureinfo parameters, very important for any user from English speaking countries.

New in fx-Calc 3.8.1 (Oct 8, 2014)

  • less messages for calculator window
  • improved handling of input errors - new indicator bars
  • minor design adjustments

New in fx-Calc 3.8.0 (Sep 30, 2014)

  • fix for handling of interval limits in function analyse module eliminates a significant limitation in functionality
  • intelligent axis scaling for plots in function analyse module

New in fx-Calc 3.7.4 (Sep 6, 2014)

  • fix for handling of interval limits in function analyze module eliminates a significant limitation in functionality
  • intelligent axis scaling for plots in function analyze module
  • automated handling if lower limit value is higher than upper limit (exchanging them)

New in fx-Calc 3.7.3 (Sep 4, 2014)

  • It's now possible to the change the order of functions for 2D plots
  • small design adjustments

New in fx-Calc 3.7.2 (Aug 25, 2014)

  • corrections in 3D module:
  • fix for gradient for functions without symetrixc z values
  • fix for displaying the zero level grid correctly

New in fx-Calc 3.7.1 (Aug 11, 2014)

  • saves and loads calculator status automatically
  • allows definition of own colors for 2D plots
  • a backspace button was added
  • for 3D surface plots:
  • definition of gradients
  • definition of background colors
  • adjustment of grid size to align on performance

New in fx-Calc 3.6.0.0 (Jul 23, 2014)

  • Syntax highlighting for mathematical expressions in all moduls
  • new unified validation check for inputs in all moduls
  • unified axis scaling for regression module
  • fix for memory manipulations for complex numbers

New in fx-Calc 3.5.0.0 (Jul 12, 2014)

  • new solver module, it combines multiple search algorithms
  • window list with small icons supports better recognition of window types
  • new menu design
  • improved ongoing recognition of online status

New in fx-Calc 3.4.1.0 (Jul 3, 2014)

  • small fix on application initialisation on Windows 8.x, which was very slow before

New in fx-Calc 3.4.0.0 (Jun 30, 2014)

  • support for alternativ solution for square root
  • 2D chart is supporting alternativ plots resulting from square roots
  • how-to Button is now using the online status flag
  • new dynamic menu to handle window lists
  • Splashscreen
  • interpreter correction for power operator (not critical)

New in fx-Calc 3.3.0.0 (Jun 23, 2014)

  • improved 2D plots
  • 2D plot editor content is switching back to it's former value after leaving table edit mode
  • 2D plot design rework
  • new chart options
  • plot for empty points corrected
  • numbered functions in table make it now easier to identify corresponding function plots
  • revised documentation

New in fx-Calc 3.2.2.0 (Jun 7, 2014)

  • complex calculations with memory values was added
  • again rework in 2D function plot interface to simplify function changes
  • logical bug for deg/rad switch in 2D function table removed

New in fx-Calc 3.2.0.0 (Jun 2, 2014)

  • improved input format tolerance
  • reworked 2D function plot interface
  • 2d function plots for functions with complex results
  • calculation with complex numbers can be switched on/off

New in fx-Calc 3.0.1.0 (May 13, 2014)

  • emergency fix for interpreter module, removes error for same numbers in calculation

New in fx-Calc 3.0.0.1 (May 9, 2014)

  • New major release
  • fully reworked interpreter module
  • allows now the use of scientific number format (1,75e-10 ) and complex numbers
  • the calculator module is now fully based on complex number calculation (sqrt -4 is now i2)
  • complex nubers in expressions and parameters
  • further improvement on parameter fields

New in fx-Calc 2.3.2 (May 9, 2014)

  • bugfix to be able to use negative vaules in varaible fields (IMPORTANT)

New in fx-Calc 2.3.0.0 (Mar 29, 2014)

  • bug in thread handling fixed (caused a possible exception at application closing)
  • sum and product do not create history entries for each index range change anymore
  • a bug with the font on the minus (-) button under XP was solved
  • sum and product do not calculate at each tiny change anymore, the calculation needs to be started by using the green RUN button
  • the initial file with an example db for functions covers now the following Pi calculation:
  • S(0;1000;f(n)=((-1)^n/4^n)*(2/(4*n+1)+2/(4*n+2)+1/(4*n+3)))
  • S(0;10000;f(n)=4*((-1)^n)/(2*n+1))

New in fx-Calc 2.2.0.0 (Mar 6, 2014)

  • starting from this version fx-calc migrates existing data from the most recent previous version:
  • history data
  • saved constants
  • function database
  • few new events will lead to new history records
  • an update of all dialogue windows is providing a consistent application design
  • additional buttons support to copy data from the database windows into the calculators editor field

New in fx-Calc 2.1.1.0 (Feb 14, 2014)

  • fixed handling of using the Enter-Key in the editor field
  • runtime improvement for interpreter module
  • design maintenance

New in fx-Calc 2.1.0 (Jan 24, 2014)

  • new logo to comply with legal requirements
  • few minor design adjustments

New in fx-Calc 2.0.3 (Jan 13, 2014)

  • calculates now while you type, tolerance for specif expressions, like 2x is now accepted and treated as 2*x

New in fx-Calc 2.0.1 (Nov 28, 2013)

  • improved handling for moving 3d plots with your mouse (hold left mouse button down)
  • new automated version checking (threaded implementation)

New in fx-Calc 2.0 (Nov 28, 2013)

  • optimized OpenGL interface
  • no dependency on TAO Framework anymore
  • much more compact windows installer, just 750 Kbyte instead of 33 MByte

New in fx-Calc 1.08 (Sep 27, 2013)

  • new interactive linear regression module
  • few minor changes in dialoges
  • minor design adjustments

New in fx-Calc 1.07 (Sep 27, 2013)

  • Issue with the use of brackets brackets and functions solved

New in fx-Calc 1.06 (Jun 17, 2013)

  • significant improvement for 2d plots
  • plots now a list of functions
  • the function list is easy to manage
  • each function in this plot list can have specific properties:
  • if it's first derivation shall be added to the plot
  • deg / rad for trigonometric functions
  • improved axis scaling

New in fx-Calc 1.05 (Jun 17, 2013)

  • Elimination of bugs and improved precision in integration module
  • improved methodology using data from function analysis
  • elimination of logical errors
  • test by using other established software packages to compare results

New in fx-Calc 1.045 (Jan 24, 2013)

  • setup isn't replacing your existing constants db anymore
  • the integrated web link connects automatically to the correct language version
  • a small howto page was published and can be used from the linked site

New in fx-Calc 1.044 (Jan 24, 2013)

  • within 3D graphics you have now the possibility to define your own axis limits
  • Windows 8 compatible

New in fx-Calc 1.043 (Jan 24, 2013)

  • within 2D graphics you have now the possibility to define your own axis limits, very beneficial for functions like f(x)=1/x
  • few logical bugs in 2D graphics eliminated

New in fx-Calc 1.042 (Jan 24, 2013)

  • Bug fix in Interpreter allows now to use any combination of characters and numbers as variable identifier
  • Examples are:
  • x,y,x1,X1,sin1,ex23 ...
  • don't use funktion names, special characters or just numbers

New in fx-Calc 1.04 (Jan 24, 2013)

  • Integration of sum and product calculations
  • Tooltips for all functional elements
  • New look
  • Bug in function database fixed

New in fx-Calc 1.03 (Jan 24, 2013)

  • Improvements required to the input in the text field of the calculator in combination with mouse use
  • Focus of the input field
  • cursor positioning
  • Bug in variable fields cleared (reset, new function with fewer variables)
  • Built-in browser to display the manufacturer's site (updates)
  • Revised list of local extremes, including minimum / maximum
  • Function interpreter with new compact interface
  • TAO OpenGL integrated in the setup
  • Optical adjustments in the 3D display, the calculator and the History

New in fx-Calc 1.02 (Jan 24, 2013)

  • First version with integrated OpenGL accelerated 3D graphics
  • Successor to Windows 2000 Freeware SciCalc 3.x
  • Porting from Delphi to C #
  • New algorithms for the computation of zeros / Extrema that recognize and support points as f (x) = x ^ 2
  • closely aligned on dotnet standard