HP 10s+ - Calculations with Fractions

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
1
3
---
2
5
---
+
11
15
------
=
3
1
2
---
2
3
4
---
+ 6
1
4
---
=
6
9
---
2
3
---
=
1
4
---