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Color Vision
Pick, detect and recognize colors in HEX and RGB
Test your ability to see colours
Try out unique achromate simulation
Train your eyes with stereograms and visualisations
Find out interesting facts and tips concerning eyes
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Color Vision
Pick, detect and recognize colors in HEX and RGB
Test your ability to see colours
Try out unique achromate simulation
Train your eyes with stereograms and visualisations
Find out interesting facts and tips concerning eyes
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Chem 101
Use Mendeleev periodic table
Make complicated calculations
Test your chemistry knowledges
Get info from chemical glossary
Enjoy 3D molecular models
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Chem 101
Use Mendeleev periodic table
Make complicated calculations
Test your chemistry knowledges
Get info from chemical glossary
Enjoy 3D molecular models
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Subway Pass
Feel confident when going to the metro
Make a route of your way
More than 30 cities across the planet
Advanced tool for those who travel
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Go Play
Choose best scores out of hundreds
Play popular melodies for free
Surf through the usable interface
Upload any scores in PDF
Turn your device into personal score library