HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 544)

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You can also use the last answer as the rst argument in a new conversion calculation. Pressing

places the last answer on the entry line. You can also select a value from history and tap

to copy it to the entry line. with a measurement calls the convert command as well and converts to

whatever unit follows the Store symbol.

The Convert tool also converts bases on either single values or arrays of values.

convert(123,base,8) returns [3, 7, 1]

This result means that 123 in decimal notation equals 173 in octal notation, because the result always

reverses the digits.

convert([3, 7, 1],base,8) returns 123

The Convert tool can also be used to convert real numbers or ratios to continued fractions.

Example:

convert(pi,confrac) returns [3,7,15,1,292,1,1,1,2]

MKSA

Meters, kilograms, seconds, amperes. Converts a complex unit into the base components of the MKSA

system.

MKSA(8.175_cm/s) returns .08175_m/s

UFACTOR

Unit factor conversion. Converts a measurement using a compound unit into a measurement expressed in

constituent units. For example, a Coulomb—a measure of electric charge—is a compound unit derived from

the SI base units of Ampere and second: 1 C = 1 A * 1 s. Thus:

UFACTOR(100_C,1_A)) returns 100_A*s

USIMPLIFY

Unit simplication. For example, a Joule is dened as one kg*m

. Thus:

USIMPLIFY(5_kg*m^2/s^2) returns 5_J

Physical constants

The values of 34 math and physical constants can be selected (by name or value) and used in calculations.

These constants are grouped into four categories: math, chemistry, physics and quantum mechanics. A list of

all these constants is given in List of constants on page 499.

To display the constants, press and then tap .

496 Chapter 24 Units and constants

1 2 ... 539 540 541 542 543 544 545 546 547 548 549 ... 700 701

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