XTFN ;SF-ISC/RWF - MATH FUNCTIONS ;3/14/89 11:05 ;
Source file <XTFN.m>
| Name | Comments | DBIA/ICR reference | 
|---|---|---|
| RTD | ;RADIANS TO DEGREES | 
 
 | 
| COS | ;%Y=COS(%X), %X in radians | 
 
 | 
| PWR | ;%P=%X^%Y (uses LN and EXP) | 
 
 | 
| LOG | ;%L=LOG(%X) (log base 10) uses LN | 
 
 | 
| LN | ;%LN=LN(%X) (log base e) | 
 
 | 
| C | ||
| LN3 | ||
| LN2 | ||
| SQRT | ;%Y=SQRT(%X) | 
 
 | 
| EXP | ;%E=EXP(%X) (e to the %X power) | 
 
 | 
| DTR | ;DEGREES TO RADIANS | 
 
 | 
| TAN | ;%Y=TAN(%X) ;tan X = sin X/cos X | 
 
 | 
| PI | 
 
 | |
| SIN | ;%Y=SIN(%X), %X in radians | 
 
 | 
| L | ||
| SD | ;SX=SUM, SSX=SUM OF SQUARES, N=COUNT | 
 
 | 
| Name | Line Occurrences | 
|---|---|
| C | SIN+1, C+1 | 
| COS | TAN+1 | 
| EXP | PWR+3 | 
| L | L | 
| LN | PWR+3, LOG+1 | 
| LN2 | LN2 | 
| LN3 | LN3 | 
| SIN | TAN+1 | 
| SQRT | SD+2 | 
| >> | Not killed explicitly | 
| * | Changed | 
| ! | Killed | 
| ~ | Newed | 
| Name | Field # of Occurrence | 
|---|---|
| % | C+3*, C+4! | 
| %A | EXP+2*, EXP+3*, EXP+4, EXP+5! | 
| %B | EXP+1*, EXP+2, EXP+3*, EXP+4, EXP+5! | 
| %D | LN+1*, LN2*, LN3*, LN3+1, LN3+2! | 
| %E | EXP+1*, EXP+2*, EXP+4*, EXP+5*, PWR+1*, PWR+4, PWR+5! | 
| %G | PWR+1*, PWR+4, PWR+5! | 
| %H | PWR+1*, PWR+4, PWR+5! | 
| %I | EXP+4*, EXP+5! | 
| >> %L | LOG+1*, LOG+2* | 
| %LN | LN+1*, LN3+1*, PWR+3, PWR+5!, LOG+1~, LOG+2 | 
| >> %P | PWR+1*, PWR+2*, PWR+4* | 
| %T | LN+1*, LN2*, LN3*, LN3+1*, LN3+2!, SIN+1*, COS+1*, C*, C+1*, C+2 , C+3, C+4!, L* | 
| %T2 | C+2*, C+3*, C+4! | 
| %T3 | C+2*, C+3*, C+4! | 
| %T4 | C+2*, C+3*, C+4! | 
| %TN | TAN+1*! | 
| >> %X | LN+1, EXP+1, EXP+2, PWR+1, PWR+2*, PWR+3*, PWR+4*, SIN+1, COS+1, DTR+1* , RTD+1*, PI*, SQRT+1, L, SD+1*, SD+2* | 
| >> %Y | PWR+1, PWR+2, PWR+3, PWR+4*, TAN+1*, C+2*, C+3*, C+4*, SQRT+1*, L* , SD+2 | 
| >> N | SD+1, SD+2 | 
| >> SD | SD+1*, SD+2* | 
| >> SSX | SD+2 | 
| >> SX | SD+2 |