CHAPTER 4. PERFORMING CALCULATIONS
4.5
Square Roots
Above
, you will find the
√
symbol in blue. Press
to use the square root.
Example:
To calculate
√
32
, you would type
.
With the square root, you should notice a few things:
a. When you press
, it gave you the radical and the opening parenthesis. You needed
to provide the closing parenthesis after the 32. If you do not insert the closing parenthesis,
the calculator will give you a error message.
b. As with the 6/7, this calculation also gave you the simplified exact value,
4
√
2
, and not an
approximation, about
5
.
65685425
.
4.6
Exponents
To use exponents, you need to use the
key to indicate you have an exponent. If you are using
fractional exponents, make sure you put parentheses around the exponent.
Example:
To calculate
3
5
, you would type
.
Example:
To calculate
8
1
/
3
, you would type
.
12
