PART 7: Errors, ranges and specifications

Part 7, the last part: what the error messages mean, the order of operations, the limits of the calculator, and its specifications.

▶ Watch this step in the video (47:59)

Finding and fixing a mistake
Error messages
Order of operations
Squaring a negative number
If something seems wrong
Range and precision
Input ranges of the functions 1/3
Input ranges of the functions 2/3
Input ranges of the functions 3/3
Specifications
The battery
Is your calculator genuine?