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Casio fx-9860GII - 1.5 Solving simultaneous linear equations in three unknowns

Casio fx-9860GII
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2. When all lists are cleared, title each column. Press
B to scroll to the SUB row. Then press La(A-
LOCK) to activate Alpha-lock. Using the red letters at
the top right of each key, type the titles. Press l
after typing each title. Only 6 characters may be used
for each title. The space is above the decimal point.
Repeat these steps for each column.
Title the lists as:
List 1 – GRADE
List 2 - ST NO
List 3 – PER TO
List 4 – SAMP N
List 5 - ROUND
3. Highlight the first entry in List 1. Enter the
grades into List 1 using only the number.
Press l after each entry. Scroll to the right
and up to move to the first entry of the next list.
4. Enter the number of students into List 2. Press l
after each number. Scroll to the right and up to
move to the next list. Do not enter the total.
5. Press
p. Highlight RUN•MAT and press l
to be in the correct menu to perform operations on
lists. In order to fill List 3 with the percentage of
the total, the calculator will divide each number in
List 2 by 2,714 and then multiply by 100. The result
will be stored in List 3. Do this by pressing
iqq
2M2714m100bq3l
.

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