Remote-processing BASIC for the CX-10 Modbus Manuale Utente Scaricare il pdf (Pagina 40)

BASIC PROGRAMMING GUIDE

2-31

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))

ERRORS

ARITH. UNDERFLOW

expr

or result is less than BASIC-52's smallest floating-point value of ± 1E-127

ARITH. OVERFLOW

expr

or result is greater than BASIC-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 ... 35 36 37 38 39 40 41 42 43 44 45 ... 83 84

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Remote-processing BASIC for the CX-10 Modbus Manuale Utente Pagina 40