IB Maths AI 1.6 Definitions
This page contains our IB Maths AI definitions for 1.6. By learning each one of these definitions, you will fully cover the content for IB Maths AI 'Handling numbers'.
absolute error
The size of the difference between a measured value and the true value, calculated as .
approximation
Using a truncated Maclaurin series (a finite number of terms) to estimate a function value near .
estimation
A quick approximate calculation found by rounding numbers to easy values, used to check whether an answer is reasonable.
lower bound
The smallest possible true value consistent with a rounded value, found by subtracting half of the rounding unit and using an inclusive endpoint.
percentage error
The size of an error compared with the true value, expressed as a percentage: .
significant figures
Digits that indicate the precision of a value; counted from the first non-zero digit, with every digit after that counted as significant.
upper bound
The greatest possible true value consistent with a rounded value, found by adding half of the rounding unit and using an exclusive endpoint.
Next Up
You have completed the topic 1 definitions for IB Maths AI - continue with related resources below or explore the full IB Maths AI course from the IBO.
Other topic 1 resources