Neufer's iCosmo: Interactive Cosmology Calculations

[neufer]

You may not think that a cosmetologist would need math skills.
However, stylists use math on a daily [i.e., quotidian] basis.
Most of the math a stylist uses is of an estimated value rather than an exact value.

• Booking Appointments: Accurate time calculations are necessary for booking appointments. A cosmetologist needs to know the time it takes to finish each client in order to book appointments appropriately so no one has to wait.
  
  Cutting Hair: While cutting hair, a stylist needs to use length measurements in order to cut a client's hair to the desired length as well as angles in order to cut each style to the right shape.
  
  Measuring Hair Color: A stylist must be able to properly measure liquids in order to pour the correct amounts of color and developer, usually in ounces or parts of an ounce.
  
  Mixing Hair Color: According to "Style Hair Magazine," identifying clients' natural hair-color level is done by using an international numbers-based chart. Then a series of calculations is done to decipher which level developer to use and whether or not a toner will be needed.
  
  Finalizing Sales: Calculating the cost of services and taxes is clearly an important part of being a cosmetologist,
  as is making change and subtracting tips.

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Read more: How is math used by a cosmetologist? | Answerbag
http://www.answerbag.com/q_view/1952717#ixzz12oonPqam