HP 49g manual Operations with units, Using Ubase to convert to the default unit 1 m results

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Prefix Name xPrefix Name x

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Y	yotta	+24	d	deci	-1
Z	zetta	+21	c	centi	-2
E	exa	+18	m	milli	-3
P	peta	+15	∝	micro	-6
T	tera	+12	n	nano	-9
G	giga	+9	p	pico	-12
M	mega	+6	f	femto	-15
k,K	kilo	+3	a	atto	-18
h,H	hecto	+2	z	zepto	-21
D(*)	deka	+1	y	yocto	-24

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(*)In the SI system, this prefix is da rather than D. Use D for deka in the calculator, however.

To enter these prefixes, simply type the prefix using the keyboard. For

example, to enter 123123‚Ý~„p~„mpm (picometer), use:Page`3-12

Using UBASE to convert to the default unit (1 m) results in:

Operations with units

Here are some calculation examples using the ALG operating mode. Be warned that, when multiplying or dividing quantities with units, you must enclosed each quantity with its units between parentheses. Thus, to enter, for

example, the product 12m ⋅ .5 yd, type it to read (12 m)*(1.5_yd) :