HP 50g manual Unit conversions

Addition and subtraction can be performed, in ALG mode, without using parentheses, e.g., 5 m + 3200 mm, can be entered simply as

5_m + 3200_mm `.

More complicated expression require the use of parentheses, e.g.,

(12_mm)*(1_cm^2)/(2_s) `:

Stack calculations in the RPN mode do not require you to enclose the different terms in parentheses, e.g.,

12@@@m@@@ `1.5 @@yd@@ `* 3250 @@mi@@ `50 @@@h@@@ `/

These operations produce the following output:

Unit conversions

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

Examples of function CONVERT are shown below. Examples of the other UNIT/TOOLS functions are available in Chapter 3 of the calculator’s user’s guide.

For example, to convert 33 watts to btu’s use either of the following entries:

CONVERT(33_W,1_hp) `

CONVERT(33_W,11_hp) `

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