Hp 48g Graphing Calculator Manual do Utilizador Página 126

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units. Such operations convert results with units to the units from the
object in level 1.
Temperature units require special note: see “Working with
Temperature Units” on page 10-10.
The trigonometric operations SIN, COS, and TAN, operate only on
unit objects with planar angular units: radians (r), degrees (°), grads
(gr-Eid), arc-minutes (.arcnin), or arc-seconds (.arcs). The result is a
dimensionless real number.
10
Example: Subtraction. Subtract 33 .in from 4
...........
f t.
1:
9_in
frRfUNITS) LENG
4 FT
39 IH
0
Example: Unit Multiplication and Division. Multiply 50...ft by
45_ft, then divide by :3=2.„d (days).
Step 1: First, multiply the two unit objects.
II: £250_fl"£
fr^fUNITSl LE
50 FT
45 FT
m
Step 2: Enter the third unit object and divide.
1: 703. l£5_ft''2/d
i7*niUNITS~)
3.2 D
©
Example: Powers. Raise 2_f to the sixth power. Find the
square root of the result. Then find the cube root of that
result.
Step 1: Enter the unit object and raise the unit object to the sixth
power.
2 fr^lfUNITS) SPEtU' 1“
6 iy~i
1: 64_ft''6/5^6
10-8 Unit Objects
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