hp40g+.book Page 50 Friday, December 9, 2005 1:03 AM
IREMAINDER works with integers and with Gaussian integers. This is what distinguishes it from MOD.
| Example 2 |
| Typing: |
| IREMAINDER(2 + 3·i, 1 + i) |
| gives: |
| i |
ISPRIME? | Returns a value indicating whether an integer is a prime |
| number. ISPRIME?(n) returns 1 (TRUE) if n is a prime or |
| |
| Definition: For numbers less than 1014, |
| and prime mean the same thing. For numbers greater |
| than 1014, a |
| probability of being prime. |
| Example 1 |
| Typing: |
| ISPRIME?(13) |
| gives: |
| 1. |
| Example 2 |
| Typing: |
| ISPRIME?(14) |
| gives: |
| 0. |
LCM | Returns the least common multiple of two integers. |
| Example |
| Typing: |
| LCM(18, 15) |
| gives: |
| 90 |
MOD | See “MOD” on page |
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| Computer Algebra System (CAS) | |||
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