12.2 Common operations
To | Key sequence |
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Turn on | |
Turn off |
Note that the calculator will automatically turn off if not used for about 6 minutes. |
Adjust the display contrast |
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Restore the factory settings |
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Clear the contents of all memories |
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Restore the default settings and clear all memories |
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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 |
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Clear a value stored in the M memory |
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Add a value to that in the ‘M’ memory | |
Subtract a value from that in the ‘M’ memory |
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Display the value stored in the ‘M’ memory |
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Use the value in the ‘M’ memory in a calculation… | |
… e.g. to find 42 minus the value in the ‘M’ memory |
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Set angles to be measured in degrees |
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Set angles to be measured in radians |
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Set answers to be displayed to 3 decimal places (To use a different number of decimal places, replace |
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Set answers to be displayed in scientific notation with 3 significant figures (To use a different number of significant figures, replace |
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Cancel any display rounding settings |
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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.