Summary

• Tolerance indicates the allowable range that a particular measurement can be.
  
       tolerance = maximum measurement – minimum measurement
  
  
• The ideal measurement is called the nominal value.
  
  
• Tolerance can be written in two ways:
• «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»nominal«/mi»«mo»§#160;«/mo»«mi»value«/mi»«mo»§#160;«/mo»«mo»§#177;«/mo»«mo»§#160;«/mo»«mfrac»«mn»1«/mn»«mn»2«/mn»«/mfrac»«mfenced»«mi»tolerance«/mi»«/mfenced»«/math»
  
• «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mtable»«mtr»«mtd»«mi»maximum«/mi»«mo»§#160;«/mo»«mi»value«/mi»«/mtd»«/mtr»«mtr»«mtd»«mi»minimum«/mi»«mo»§#160;«/mo»«mi»value«/mi»«/mtd»«/mtr»«/mtable»«/math»