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KaleidaGraph 4.5

for Windows & Macintosh

Five times more variables (99), 24 new markers, independent line and fill color Drop line capability, new plot types, improved plot exporting, new slice data command, confidence interval computation, predicted values auto export, enhanced scripting commands and more...

We're celebrating 30 years

"a fantastic little piece of technology"

Since the first copy of KaleidaGraph was sold in 1988, KaleidaGraph has remained an exceptional, easy-to-learn graphing and analysis program with a surprisingly affordable price. We value the trust and loyalty of all these critical-thinkers and discoverers who have chosen to depend on KaleidaGraph.

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KaleidaGraph 4.5.4 for Windows and Macintosh

Graphing and data analysis software for scientists and engineers

A Message from Synergy Software Regarding COVID-19

First and foremost, we hope you and your families are safe and well. Due to state directives and out of an abundance of caution, our office is temporarily closed and our employees are working remotely. Even though we are not physically in the office, we will do our best to process all of our orders and deliver the same level of support that you have come to expect. We apologize in advance for any delays you may experience. Thank you for your understanding and please stay safe.

Upgrade to version 4.5.4

Upgrade to version 4.5.4 today for as little as $59.95!

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How much does KaleidaGraph cost?

This unmatched utility is yours for as little as half the price of its nearest competitors.

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Download a 75 day free trial

Find out how well KaleidaGraph can meet your graphing needs by trying it with your own data.

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Buy KaleidaGraph now

Download KaleidaGraph to your computer and start using it within minutes!

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KaleidaGraph and OS 10.15 (Catalina)

KaleidaGraph is a 32-bit application and will not run under OS 10.15. A 64-bit version is under development, but it is too early to provide a release date. Once we get closer to beta testing, an email will be sent out to registered users. If you must use OS 10.15, we suggest using a program like VMWare Fusion or Parallels/Parallels Lite to install and run an earlier version of the OS as a virtual system which would provide access to 32-bit applications. If this was an avenue you wanted to explore, here is a link to an article that has information on setting this up using Parallels Lite:

Other options include downgrading back to your previous OS, or if you have multiple Macs, having one run Catalina and leaving one at an earlier OS. If you have access to a Windows computer, the Windows version can open your existing Mac files.

A letter from the president

The company that evolved into Synergy Software began in 1983 on the wild frontier of the computer industry, and I, fortunately, was there to watch. Our business actually started as peripherals, computers and supplies, slightly ahead of the whirlwind in computer software. We were quickly drawn into the vortex and changed our name to Synergy Software. That choice of names always reflected our gratitude for the internal synergy of our talents, but also our thanks for the interest and input from our users. We have always really enjoyed opportunities to talk to our customers about what they do and how we can help. We are very proud of the important work that we assist. Whether you found us, or we found you, we are eternally grateful for your contributions to our products, and for your continued support.

Our Customers

Governmental regulator uses KaleidaGraph to monitor water quality in Washington --more

KaleidaGraph helps researchers discover a key pheromone in honeybees - essential for U.S. agricultural health --more

Researchers use KaleidaGraph to analyze the brain's selection mechanism for preferential processing --more

Non-profit organization uses KaleidaGraph to provide vital information to policy makers in northwestern Montana --more

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