Sharp EL-531LH - Fractions

16 Mastering the Calculator using the Sharp EL-531LH
(b)
and the display should read 2.
(c) 16
¼
and the display should read 2.
Note:
• Root key is a function above the power key, so you will need to activate it with the SHIFT
key
• See the key . The x stands for the root you want to take so it is typed first.
• From the examples above you may have seen that . is called a fractional
index.
5. Fractions
How do you add and ? Normally you would have to find a common denominator of
252.
So:
Or you can use your calculator to add fractions. Find the
key
8
1
3
---
x
8
1
3
---
8
3
=
1
3
---
1
12
-
-
----
4
63
-
-
----
1
1
2
-
-----
4
63
------
+
21
252
---------
16
252
---------
+
37
25
2
-----
----
==
a
b
c
---