Factoring unit expressions, To factor units within a unit expression, Using unit objects in aigebraics – HP 48g Graphing Calculator User Manual
Page 127: 2_ft^s
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Step 2:
Now find t.he square root of the result.
1:
8_ft^3^s''3
Step 3:
Find the cube root of the result.
3®®
1:
2_ft^S
Example:
Percentage.
( r ^ f U I M I T S ) v u l .
4.2 r:ri---3
N'■ '■ ■ 3 is what percent of l_in''''3?
3
II:
25.6299725198
■ iiilBiaiMlgiBilfl<MBBTr!BiB8riKaB51iT!B
fMTHl REiHL i
Factoring Unit Expressions
The UFACT command factors one unit within a unit expression,
returning a unit object whose unit expression consists of the factored
unit and the remaining SI base units.
To factor units within a unit expression:
1. Enter the unit object with the original units.
2. Enter any number (such as 1) and attach the units you want to
factor out.
3. Press
f 7 » l iU N I T S l
UFRCT.
UFACT factors the units of the level 1 object from the level 2 unit
object.
10
Using Unit Objects in Aigebraics
Unit objects are allowed in aigebraics—you enter them just as you
enter them in the command line. In addition, the command line
permits symbolic numbers instead of real numbers, converting
'
' , for example, to
when entered on the stack.
+ and are allowed in the number. However, the _ character takes
precedence over + and Thus ' <4+5)„ft ' EvHL returns 9„ft, but
'4+5 ft' E'v'FiL returns + Error: Inconsistent Units.
Unit Objects 10-9