12.2 Common operations
| To | Key sequence |
|---|---|
| Turn on |
|
| Turn off |
Note that the calculator will automatically turn off if not used for about 6 minutes. |
| Adjust the display contrast |
|
| Restore the factory settings |
|
| Clear the contents of all memories |
|
| Restore the default settings and clear all memories |
|
| Cancel a calculation, or exit menus |
|
| Obtain an answer |
|
| Obtain a decimal answer in Math mode |
|
| Toggle between exact and decimal answers in Math mode |
|
| Toggle between displaying fractions as improper fractions or mixed numbers in Math mode |
|
| Use the result of the previous calculation… |
|
| … e.g. to find 42 minus the previous result |
|
| Store a value in ‘M’ memory |
|
| Clear a value stored in the M memory |
|
| Add a value to that in the ‘M’ memory |
|
| Subtract a value from that in the ‘M’ memory |
|
| Display the value stored in the ‘M’ memory |
|
| Use the value in the ‘M’ memory in a calculation… |
|
| … e.g. to find 42 minus the value in the ‘M’ memory |
|
| Set angles to be measured in degrees |
|
| Set angles to be measured in radians |
|
Set answers to be displayed to 3 decimal places (To use a different number of decimal places, replace |
|
Set answers to be displayed in scientific notation with 3 significant figures (To use a different number of significant figures, replace |
|
| Cancel any display rounding settings |
|
The A, B, C, D, X, Y memories are used similarly to the M memory, except that these have no ‘add to’ and ‘subtract from’ functions.