Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set - Manual (Page 70)

Chapter 2
Operating the Control
2-50
If you perform the same level of evaluation, the left most operation takes
priority.
Example 2.1
Mathematic Expressions
Expression Entered Result Displayed
12/4*3 9
12/[4*3] 1
12+2/2 13
[12+2]/2 7
12-4+3 11
12-[4+3] 5
Table 2.F contains the function commands available with the [CALC] key.
Table 2.F
Mathematical Functions
Function Meaning
SIN Sine (degrees)
COS Cosine (degrees)
TAN Tangent (degrees)
ATAN Arc Tangent (degrees)
ASIN Arc Sine (degrees)
ACOS Arc Cosine (degrees)
SQRT Square Root
ABS Absolute Value
BIN Conversion from Decimal to Coded Decimal
BCD Conversion from Coded Decimal to Decimal
ROUND Rounding Off (nearest whole number)
FIX Truncation Down
FUP Truncation Up
LN Logarithms (natural log)
EXP Exponent
When programming these functions, place the value that the function is to
be performed on in brackets, e.g., SIN [10]. The arc tangent function
(ATAN) is the exception. The format for ATAN requires the division of
two values, e.g., ATAN [10]/[2] is used to calculate the arc tangent of 5.