Define (Method, Map, Formula and Curve) | 69
ELx800 Operator’s Manual
Formula Entry
After the formula type is selected, the FORMULA ENTRY screen appears. Each
formula can contain a maximum of 24 characters. Spaces are not necessary.
Note: In formulas, “OD” is used to represent the optical density
value.
F O R M U L A # 1 :
M A T H O THER MAP FUN C T N
P C ; X > 1 . 2 0 0
M A T H O THER MAP FUN C T N
• After a moment, the FORMULA #1: prompt disappears, and the formula
can be entered. Use the options found under MATH, OTHER, MAP, and
FUNCTN to “build” the formula.
To cycle through the available MATH, OTHER, MAP, or FUNCTION
options, continue to press the appropriate
SOFT KEY. For example,
press the MATH
SOFT KEY several times to see +, -, *, /, %, =, etc.
When the desired option appears, press the
right arrow key to
select it and advance to the next editable field.
Press the
left arrow key to move the cursor to the left.
Press
CLEAR to delete the item above the cursor.
When a formula is complete, press
ENTER to continue.
• Select
MATH to insert a mathematical symbol such as +, %, or <=.
• Select OTHER to insert an opening “ (” or closing “) ” parenthesis, or
logical operators AND or OR.
• Select MAP to insert a well ID such as BLK;x or NC;1.
• Select FUNCTN to insert a mathematical function such as LOG or SQRT.
The reader software checks the formulas for errors
during data reduction. A syntax error in a formula will
result in a “Token Error” on results reports.
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