9
• A negative exponent does not need to be in
parentheses.
sin 4.56 ✕ 10
-8
4.56 8
•Example 1: 3 ✕ (4 ✕ 10
-7
) = 1.2 ✕ 10
-6
3 4 7
•Example 2: 2 ✕ (3 ✕ 4) = 14
2
3 4
• You can omit the at the end of an expression if
the next key you press is
.
Calculations with Fractions
• A value is automatically displayed in decimal
format if the total number of digits of the fraction
(integer + numerator + denominator + semicolon)
is greater than 10.
•Example 1:
•Example 2:
•Example 3:
6
9
•Example 4: + 1.8 = 2.05
1
4 1.8
• A calculation involving a fraction and a decimal
generally yields a decimal result.
1
3 2 5
11˼15
3
1 2
2 3 4
6
˼1˼4