2.1. Introduction to Data Abstraction

2.1.4. Extended Exercise: Interval Arithmetic

Exercises:

• 2.7. Upper and lower bounds of interval
• 2.8. Subtraction of intervals
• 2.9. The width of an interval
• 2.10. Interval that spans zero
• 2.11. The signs of the endpoints of the intervals
• 2.12. Interval produced by center and percentage tolerance
• 2.13. Percentage tolerance of the product of two intervals
• 2.14. Different answers for the two ways of computing formulas for parallel resistors
• 2.15. A form of formula that no variable that represents an uncertain number is repeated
• 2.16. Different answers in equivalent algebraic expressions in general

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