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Curves 1.0
The plugin Curves proposes eight predetermined, interesting curves. more>> The plugin Curves proposes eight predetermined, interesting curves. Interface shows several miniatures of curves; select one and observe impact on the image.
Interface includes two columns. Right functions are the reciprocal of left functions. For a brief description of the curves effects, position your cursor over each miniature, and wait for the tooltip.<<less
Download (303KB)
Added: 2008-09-08 License: Freeware Price:
451 downloads
3D Curves 6.1
3D Curves draws curves of the form y = F ( x , z ) in 3-D. more>> Draws curves of the form y = F ( x , z ) in 3-D. y is "up" the screen, x is across the screen, and z appears to go "into" the screen.
Functions must be entered in ALL UPPER CASE or ALL LOWER CASE. Example z*sin(x) + (1-z)*tan(1/x).
You need to play around with the scale (typically in the range 0.1 to 10) and the ranges until you like the picture.<<less
Download (89.9KB)
Added: 2008-01-30 License: Freeware Price: Free
646 downloads
3D Curves Rev 6.1
Draws curves of the form y = F ( x , z ) in 3-D. more>> Draws curves of the form y = F ( x , z ) in 3-D.
Using 3D Curves application you will be able to draw curves of the form y = F ( x , z ) in 3-D.y is "up" the screen, X is across the screen, and Z appears to go "into" the screen.
Main features:
- Functions must be entered in ALL UPPER CASE or ALL LOWER CASE. Example z*sin(x) + (1-z)*tan(1/x).
- You need to play around with the scale (typically in the range 0.1 to 10) and the ranges until you like the picture.
Download (90KB)
Added: 2008-10-02 License: Freeware Price: FREE
419 downloads
Polar Curves 1.1
Includes 9 pre-set curves in Polar form, such as the Lemniscate of Bernoulli. more>> Includes 9 pre-set curves in Polar form, such as the Lemniscate of Bernoulli.Curve 8300 application<<less
Download (80.6KB)
Added: 2008-03-17 License: Freeware Price: Free
587 downloads
Polar Curves Rev 1.1
Includes 9 pre-set curves in Polar form, such as the Lemniscate of Bernoulli. more>> Includes 9 pre-set curves in Polar form, such as the Lemniscate of Bernoulli.
With Polar Curves you will be able to visualize different polar curves type depending on the input parameters.Includes 9 pre-set curves in Polar form, such as the Lemniscate of Bernoulli.
<<less Download (81KB)
Added: 2008-10-02 License: Freeware Price: FREE
413 downloads
Implicit Curves Rev 3.1
A simple tool that will draw complex function curves. more>> A simple tool that will draw complex function curves.
Usually, curves are drawn from an EXPLICIT formula such as y=sin(x) , where y is on one side of the equals sign, and all the stuff to do with x is one the other side.
An IMPLICIT function is of the form F(x,y)=0. Most formulas cannot be written explicitly, but this very simple program allows you to see what something like x*x + y*y +sin(xy) -16 =0 looks like, for example.
The Implicit Curves application was designed to be a simple tool that will draw complex function curves.
Download (92KB)
Added: 2008-10-02 License: Freeware Price: FREE
458 downloads
Bezier Curves Program 2.01
Bezier Curves Program is regarded as an easy to use, high performance program which allows you to find out the Bezier Curves program from a starting point, terminating point, and control points. more>>
Bezier Curves Program 2.01 is regarded as an easy to use, high performance program which allows you to find out the Bezier Curves program from a starting point, terminating point, and control points. It is like the programs you can get for the graphical calculator- but this one's for the computer.
Download (255.1KB)
Added: 2005-08-12 License: Freeware Price: $0.00
downloads
Catacaustic Curves Rev 3.2
Draw different types of catacaustic curves, depending and according to the input parameters more>> Draw different types of catacaustic curves, depending and according to the input parameters
With this program you can select a point light-source with the mouse (just left-click where you want when the mouse cross-hairs appear), and you will see the curve created by the envelope of reflected light rays from the surface of the chosen curve.
It achieved by accurately estimating the derivative of the curve at each point the light hits it, from which I calculate the Unit Normal vector to the curve at that point, from which I can work out the correct reflected ray.
Using Catacaustic Curves application you will be able to draw different types of catacaustic curves, depending and according to the input parameters.
Download (89KB)
Added: 2008-10-02 License: Freeware Price: FREE
406 downloads
CurTiPot pH and Acid-Base Titration Curves 3.1.1
Compute pH of any aqueous solution of acids, bases, and other mixtures. more>>
CurTiPot pH and Acid-Base Titration Curves 3.1.1 is created as an integrated and versatile tool which helps effectively with acid-base equilibria learning and practicing, in high school, college or research laboratory.
Major Features:
- Calculating the pH of any aqueous solution of acids and bases (strong, weak or polyprotic), salts and complex mixtures
- Generating graphics of the dissociated and undissociated fractions of acids and bases as a function of pH (distribution diagrams)
- Evaluating the effect on pH by adding strong acid or strong base to a buffer
- Simulating complete acid-base titration curves (pH versus volume of titrant)
- Analyzing potentiometric titration curves by graphical methods with interpolation and smoothing or by nonlinear regression, to determine concentrations and pKas of real samples, from vinegar to acid rain.
Enhancements:
- A single-file Excel workbook with seven spreadsheets comprising graphics, instructions, examples, database and visual basic macros
- Uninstalled while closing the file (former versions, from 1992 up, run only in DOS).
Download (329.3KB)
Added: 2006-07-02 License: Freeware Price:
98 downloads
CurTiPot pH & Acid-Base Titration Curves 3.1 3.2
All-in-one freeware for pH and equilibrium calculations, real data analysis and simulation of titration curves of acids, bases, salts and buffers (from simple solutions to complex mixtures) with inter more>>
CurTiPot is a powerful all-in-one freeware for acid-base equilibria calculations such as pH of aqueous solutions, dissociation degree of weak and polyprotic systems, pKa determinations, simulation of titration curves and analysis of real titration data with chemometric tools like interpolation, smoothing and regression. The program is free of charge for non-commercial use, be it personal, in classroom (high school and college), laboratory or research and provides:
- pH calculations of strong, weak an multiprotic acids, bases, salts and their buffers and mixtures (over 30 species at once) in aqueous medium, with estimation of activity coefficients by the Davies equation;
- Analysis of pH vs. volume of titrant data of simulated and real potentiometric titration curves by two methods: i) graphical representation of curves, assisted by cubic splines interpolation and smoothing of derivative curves for accurate evaluation of inflections (end-points); ii) determination of concentrations and refinement of pKa values by multiple nonlinear regression (based on the Solver supplement of Excel), essential for difficult titrations with undefined inflections, for example, acid rain.
- Simulation and overlay of acid-base titration curves of any complexity, without or with simulated random experimental error in pH and/or volume. Valuable for teaching, generation of unlimited titration exercises and evaluation of the feasibility and accuracy of new titrations.
- Generation of protonation diagrams and distribution curves of the equilibrium species of acids and bases as a function of pH or of added volume of titrant.
All necessary spreadsheets with graphics, examples, instructions, database and visual basic macros are contained in the single curtipot_.xls file. Simply unzip it, open it with Microsoft Excel (at medium security level), activate macros and start learning and working. No install/uninstall required, all macros removed when closing file.
<<less- pH calculations of strong, weak an multiprotic acids, bases, salts and their buffers and mixtures (over 30 species at once) in aqueous medium, with estimation of activity coefficients by the Davies equation;
- Analysis of pH vs. volume of titrant data of simulated and real potentiometric titration curves by two methods: i) graphical representation of curves, assisted by cubic splines interpolation and smoothing of derivative curves for accurate evaluation of inflections (end-points); ii) determination of concentrations and refinement of pKa values by multiple nonlinear regression (based on the Solver supplement of Excel), essential for difficult titrations with undefined inflections, for example, acid rain.
- Simulation and overlay of acid-base titration curves of any complexity, without or with simulated random experimental error in pH and/or volume. Valuable for teaching, generation of unlimited titration exercises and evaluation of the feasibility and accuracy of new titrations.
- Generation of protonation diagrams and distribution curves of the equilibrium species of acids and bases as a function of pH or of added volume of titrant.
All necessary spreadsheets with graphics, examples, instructions, database and visual basic macros are contained in the single curtipot_.xls file. Simply unzip it, open it with Microsoft Excel (at medium security level), activate macros and start learning and working. No install/uninstall required, all macros removed when closing file.
Download (542K)
Added: 2007-01-16 License: Freeware Price: $0.00
614 downloads
Other version of CurTiPot pH & Acid-Base Titration Curves
Price: $0.00
License:Freeware
License:Freeware
SierpCurve 1.0
Will create Sierpenski curves from the first to the fifth order. The resulting fractal curve can be saved as a .bmp file or as a POV-Ray 3.x source file. more>>
Will create Sierpenski curves from the first to the fifth order. The resulting fractal curve can be saved as a .bmp file or as a POV-Ray 3.x source file.
<<less Download (1460K)
Added: 1997-10-24 License: Freeware Price:
4389 downloads
SmartCurve 2.1
SmartCurve allows you to modify the curves in an image. more>> Photoshop Elements offers in opposite to its professional version no curves command. Thats a pity, because curves are a valuable tool for image editing.
To remedy this shortcoming this site offers the plugin SmartCurve to upgrade this ability. Of course this plugin can be used from all programs which can integrate Photoshop plugins.
Features:
* Curves adjustment of RGB and gray images.
* Full support of 8 and 16 bits color depth.
* Use of the more common gamma correction.
* Smart-display of the live histogram.
* Auto level correction by setting of shadows and highlights.
* Remove of color casts by setting of multiple midtones.
* Highlighting of clipped colors.
* Different color spaces like RGB, CMK, Lab and others.
* Channel masks to limit curve effects.
* Works as smart filter in PhotoShop CS3.
* Pixel and percentage curve editing and view.
* Batch Mode for applying a curve on multiple images.<<less
Download (744KB)
Added: 2008-09-17 License: Freeware Price:
417 downloads
Curve Sketching 1.10
Exercises with solutions and graphs for curve sketching (polynomials) more>> Curve Sketching 1.10 creates exercises with solutions and graphs in the field of curve sketching of linear, quadratic, cubic, quartic and quintic polynomials. Alternatively, Curve Sketching determines the solution for given polynomials. The curve sketching covers the determination of the roots, location and nature (minimum/maximum) of all extrema, location and concavity of all inflection points and saddle points and their corresponding asymptote.<<less
Download (1004KB)
Added: 2006-11-24 License: Freeware Price: $0.00
920 downloads
Qurve Fonts 3.1
Qurve Fonts looks very original and can proove to be very useful whenever you want to make some text look different. more>>
Qurve Fonts looks very original and can proove to be very useful whenever you want to make some text look different. This font is based on - what else? - curves. There are no straight lines in this one.
Qurve Fonts looks very original and can proove to be very useful whenever you want to make some text look different.
The download package includes 12 TTF files with these fonts for all types of views - bold, italic, thiner, wider, etc
<<lessQurve Fonts looks very original and can proove to be very useful whenever you want to make some text look different.
The download package includes 12 TTF files with these fonts for all types of views - bold, italic, thiner, wider, etc
Download (365KB)
Added: 2007-06-24 License: Freeware Price:
870 downloads
RCM P-F Curve Screensaver 1
Reliability Centred Maintenance (RCM) P-F Curve Screensaver. This screensaver beautifully draws the RCM P-F Curve step-by-step. It occupies 720x576 pixels of your screen and is positioned at random each time it appears. (If your screen is smaller than this then it is resized to fit.) more>> <<less
Download (511.6Kb)
Added: 2009-03-16 License: Freeware Price: Free
13 downloads
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