Example: Rational Approximations
The following example illustrates the use of the { RAT } selection from the NUMBER THEORY menu.
Example
Determine rational approximations within an accuracy of .000001 for the numbers 1.75, √2, and log(e).
Procedure |
Press |
Display |
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| Select the program. | [ RUN ] { MTH } { --> } { --> } { NUM } { RAT } |
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| Enter the number | 1.75 { x } |  |
| Enter the allowable error | .000001 { err } |  |
| Proceed with results | { EOD } |  |
| View the numerator | { NUM } |  |
| View the denominator | { DEN } |  |
| Enter the next number | { ESC } 2 [ √x ] { x } |
 |
| Proceed with results using the same error allowance | { EOD } |  |
| View the numerator | { NUM } |  |
| View the denominator | { DEN } |  |
| Enter the next number | { ESC } 1 [ INV ] [ LN ] [ LOG ] { x } |
 |
| Proceed with results using the same error allowance | { EOD } |  |
| View the numerator | { NUM } |  |
| View the denominator | { DEN } |  |
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