Remote-processing BASIC 52 Manuel d'utilisateur télécharger pdf (Page 81)

RPBASIC-52 PROGRAMMING GUIDE

2-62

LOG

Syntax: LOG (expr)

Function: Returns the natural logarithm (base "e") of expr which must evaluate to greater than zero. Calculated

to seven significant digits.

Mode: Command, run

Use: PRINT LOG (COS(0))

Cards: All

ERRORS

ARITH. UNDERFLOW expr or result is less than RPBASIC-52's smallest floating-point value of ± 1E-127

ARITH. OVERFLOW expr or result is greater than RPBASIC-52's largest floating point value of ±

.99999999E+127

BAD ARGUMENT Attempt to take LOG() of zero

EXAMPLE

100 PRINT EXP(-200), LOG(1.383901E-87)

>run

1.383901 E-87 -200

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 162 163

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Remote-processing BASIC 52 Manuel d'utilisateur Page 81