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Section 7. Creating and Editing Datalogger Programs
TABLE 7-5. Operators and Functions
Operators
* multiply
/ divide
+ add
– subtract
^
raise to the power of; enclose negative values in parentheses
@ modulo
divide
E scientific
notation;
6e–1=0.6
Functions
COS
cosine; angle in degrees
SIN
sine; angle in degrees
TAN
tangent; angle in degrees
COTAN
cotangent; angle in degrees
ARCTAN
arctangent; angle in degrees
ARCSIN
arcsine; angle in degrees
ARCCOS
arccosine; angle in degrees
ARCCOT
arccotangent; angle in degrees
SQRT square
root
LN natural
logarithm
EXP
exponent of e; EXP(2) = e
2
RCP
reciprocal; RCP(4) = 1/4 = 0.25
ABS absolute
value
FRAC
takes the fraction portion; FRAC(2.78)=.78
INT
takes the integer portion; INT(2.78)=2
Below are examples of valid expressions:
Zee =
Vee+Ex
es =
tee^(–2)
Root =
SQRT(ABS(data))
avg =
(data1+data2+data3+data4+data5)/5
length = SQRT((adj^2)+(opp^2))
TempF = (TempC*1.8)+32
The following section of an Edlog program uses an expression to convert
temperature from Celsius to Fahrenheit:
7-59
Summary of Contents for LoggerNet
Page 2: ......
Page 30: ...Preface What s New in LoggerNet 4 xxvi...
Page 32: ...Section 1 System Requirements 1 2...
Page 44: ...Section 2 Installation Operation and Backup Procedures 2 12...
Page 136: ...Section 4 Setting up Datalogger Networks 4 80...
Page 227: ...Section 7 Creating and Editing Datalogger Programs 7 9...
Page 298: ...Section 7 Creating and Editing Datalogger Programs 7 80...
Page 402: ...Section 9 Automating Tasks with Task Master 9 12...
Page 406: ...Section 9 Automating Tasks with Task Master 9 16...
Page 450: ...Section 11 Utilities Installed with LoggerNet Admin and LoggerNet Remote 11 22...
Page 454: ...Section 12 Optional Client Applications Available for LoggerNet 12 4...
Page 462: ...Section 13 Implementing Advanced Communications Links 13 8...
Page 482: ...Section 14 Troubleshooting Guide 14 20...
Page 570: ...Appendix F Calibration and Zeroing F 16...
Page 578: ...Appendix G Importing Files into Excel G 8...
Page 579: ......