HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 78)

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You can also create your own variables in Home view. For example, suppose you wanted to create a variable

called ME and assign π

to it. You would enter:

A message appears asking if you want to create a variable called ME. Tap or press to

conrm your intention. You can now use that variable in subsequent calculations: ME*3 will yield

29.6088132033, for example.

You can also create variables in CAS view in the same way. However, the built-in CAS variables must be

entered in lowercase. However, the variables you create yourself can be uppercase or lowercase.

As well as built-in Home and CAS variables, and the variables you create yourself, each app has variables that

you can access and use in calculations.

Complex numbers

You can perform arithmetic operations using complex numbers. Complex numbers can be entered in the

following forms in Textbook mode, where x is the real part, y is the imaginary part, and i is the imaginary

constant, √-1.

●

(x, y)

●

x + yi (except in RPN mode)

●

x – yi (except in RPN mode)

●

x + iy (except in RPN mode)

●

x – iy (except in RPN mode)

In RPN mode, complex numbers must be entered enclosed in single quotes and require explicit multiplication.

For example, ‘3 – 2 * i’.

To enter i:

▲

Press .

– or –

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