18
Mastering the Calculator using the Sharp EL-531LH
Example
Find
Using the calculator the key strokes are:
and the display will show 8
⎡
71
⎡
72
which is read as
Note if you now press
the display will read 647
⎡
72. So this key turns a mixed
fraction into an improper fraction.
If you press the
key a second time the decimal equivalent is displayed,
i.e. 8.9861111
6.
Using the
x
-1
key
8
1
9
---
63
72
------
+
8
71
72
------
