Hp 49g+ User Manual download pdf (Page 149)

100

101

Page 3-27

5_m ` 3200_mm ` +

12_mm ` 1_cm^2 `* 2_s ` /

These last two operations produce the following output:

Note: Units are not allowed in expressions entered in the equation writer.

Units manipulation tools

The UNITS menu contains a TOOLS sub-menu, which provides the following

functions:

CONVERT(x,y): convert unit object x to units of object y

UBASE(x): convert unit object x to SI units

UVAL(x): extract the value from unit object x

UFACT(x,y): factors a unit y from unit object x

UNIT(x,y): combines value of x with units of y

The UBASE function was discussed in detail in an earlier section in this

chapter. To access any of these functions follow the examples provided

earlier for UBASE. Notice that, while function UVAL requires only one

argument, functions CONVERT, UFACT, and UNIT require two arguments.

Try the following exercises, in your favorite calculator settings. The output

shown below was developed in ALG mode with system flat 117 set to SOFT

menu:

Examples of CONVERT

These examples produce the same result, i.e., to convert 33 watts to btu’s

CONVERT(33_W,1_hp) `

CONVERT(33_W,11_hp) `

These operations are shown in the screen as:

1 2 ... 144 145 146 147 148 149 150 151 152 153 154 ... 861 862

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Hp 49g+ User Manual Page 149

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