HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 77)

100

101

Press repeatedly. Each time you press, the root is twice the previous root. The last answer

shown in the following illustration is .

Reusing an expression or result from the CAS

When you are working in Home view, you can retrieve an expression or result from the CAS by tapping

and selecting Get from CAS. The CAS opens. Press or until the item you want to retrieve

is highlighted, and then press . The highlighted item is copied to the cursor point in Home view.

Storing value in a variable

You can store a value in a variable (that is, assign a value to a variable). Then when you want to use that value

in a calculation, you can refer to it by the variable’s name. You can create your own variables, or you can take

advantage of the built-in variables in Home view (named A to Z and θ) and in the CAS (named a to z, and a few

others). CAS variables can be used in calculations in Home view, and Home variables can be used in

calculations in the CAS. There are also built-in app variables and geometry variables. These can also be used

in calculations.

Example: To assign π

to the variable A:

Your stored value appears as shown in the following gure. If you then wanted to multiply your stored value

by 5, you could enter: 5 .

Mathematical calculations 29

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 700 701

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HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 77

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