Casio SERIES FX-9860G - Manual (Page 124)

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u Deleting Matrices
You can delete either a specifi c matrix or all matrices in memory.
u To delete a specifi c matrix
1. While the Matrix Editor is on the display, use f and c to highlight the matrix you
want to delete.
2. Press 1(DEL).
3. Press 1(Yes) to delete the matrix or 6(No) to abort the operation without deleting
anything.
u To delete all matrices
1. While the Matrix Editor is on the display, press 2(DEL·A).
2. Press 1(Yes) to delete all matrices in memory or 6(No) to abort the operation
without deleting anything.
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Matrix Calculations
# The indicator “None” replaces the
dimensions of the matrix you delete.
# Inputting the format or changing the dimensions
of a matrix deletes its current contents.