Creating a new expression, Creating a new expression -2 – HP 49g Graphing Calculator User Manual
Page 60
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Creating a new expression
This section describes how to use Equation Writer to create an
expression, and to store it in a variable.
As you create an expression, you press ® to select the previous
components that the new operator or function will relate to. Each time
you press ®, more of the previous components are selected.
Consider the expression:
(3.r + 4)(5x~~-2)
-
1
This is how you use Equation Writer to create the expression and save it in
memory.
1. Ensure that the command line is clear, and press (BIW) to open
Equation Writer.
2. Enter the first component.
3@©4
3.X+4
3. Select the component you entered, and
then press ®. Equation Writer encloses
the selected expression in brackets and
inserts » to represent the multiplication.
®®
4. Enter the first term of the second
component.
5@©2
5. Select the tenn, and press 02. Equation
Writer creates the component, and
encloses it in brackets.
®®02
(3.X+4).5.X^
(3.X+4).l5'X^-2
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Page 3-2
Creating and editing expressions