12.2 Common operations
To | Key sequence |
---|---|
Turn on | |
Turn off | (OFF) Note that the calculator will automatically turn off if not used for about 6 minutes. |
Adjust the display contrast | (SETUP) (◄CONT►) then use and to adjust, and press when finished. |
Restore the factory settings | (CLR) (Setup) (Yes) |
Clear the contents of all memories | (CLR) (Memory) (Yes) |
Restore the default settings and clear all memories | (CLR) (All) (Yes) |
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 | (STO) (M) |
Clear a value stored in the M memory | (STO) (M) |
Add a value to that in the ‘M’ memory | |
Subtract a value from that in the ‘M’ memory | (M-) |
Display the value stored in the ‘M’ memory | (M) |
Use the value in the ‘M’ memory in a calculation… | |
… e.g. to find 42 minus the value in the ‘M’ memory | (M) |
Set angles to be measured in degrees | (SETUP) (Deg) |
Set angles to be measured in radians | (SETUP) (Rad) |
Set answers to be displayed to 3 decimal places (To use a different number of decimal places, replace with that number) | (SETUP) (Fix) |
Set answers to be displayed in scientific notation with 3 significant figures (To use a different number of significant figures, replace with that number) | (SETUP) (Sci) |
Cancel any display rounding settings | (SETUP) (Norm) |
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.