colorimeter-v04 0.4 for Mac can be downloaded from our website for free. This free software for Mac OS X was originally created by IORodeo. The software lies within Education Tools, more precisely Science.
From the developer:
The Calorimeter app is a scientific colorimeter kit for educators, students and DIY scientists. Colorimeters are analytical devices commonly used in science labs to measure the concentration of a solution from its light absorbing properties. Colorimeters are extremely useful and flexible lab instruments for a wide range of science education labs.
You may want to check out more software for Mac, such as UN-SCAN-IT Demo, ScienceMatrix or Enzyme X, which might be related to colorimeter-v04.