Use the Ishihara test to check if you suffer from color blindness, to what extent your defect is Protanopia or Deuteranopia, or maybe just insufficient differentiation between red and green shades. As a result, in addition to the diagnosis, you will have the opportunity to check how each of the Ishihara plates is seen by people with various visual impairments, and if you have a defect, they will allow you to see what is on the plates.

The calculator will help you choose the size of the bike, bike frame, wheel size depending on the type of bike, your height, leg length or age.

You will calculate with fairly high accuracy the likelihood of your baby having a particular blood group.