hp40g+.book Page 14 Friday, December 9, 2005 1:03 AM
| Example 2 | ||
| Typing: | ||
| SUBST(QUOTE(CONJ(Z)),Z=1+i) | ||
| gives: | ||
| CONJ(1+i) | ||
STORE | Store an object in a variable | ||
| STORE stores an object in a variable. | ||
| STORE is found in the ALGB menu or the Equation Writer | ||
| menu bar. | ||
| Example | ||
| Type: | ||
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| or type: | ||
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| then select it and call STORE, then type ABC, then press | ||
| ENTER to confirm the definition of the variable ABC. | ||
| To clear the variable, press VARS in the Equation Writer | ||
| (then choose PURGE on the menu bar), or select | ||
| UNASSIGN on the ALGB menu by typing, for example, | ||
| UNASSIGN(ABC) | ||
Substitute a value for a variable | |||
| is an infix operator used to substitute a value for a | ||
| variable in an expression (similar to the function SUBST). | ||
| has two parameters: an expression dependent on a | ||
| parameter, and an equality (parameter=substitute value). | ||
| substitutes the specified value for the variable in the | ||
| expression. | ||
| Typing: | ||
| X2 – 1 |
| X = 2 |
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| gives: | ||
| 22 – 1 |
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| Computer Algebra System (CAS) | |||
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