Logic Syntax
This is a short list of the most commonly used functions.
These functions can be used in any logic field in CheckFirst.
Functions marked with * are also available in an operator format.
Function name
Description
Function
Example
*Add
Add two or more values, x + y.
add(N1,N2)
*Subtract
Subtract two values, x - y.
subtract(N1,N2)
*Multiply
Multiply two or more values, x * y.
multiply(N1,N2)
*Divide
Divide two values, x / y.
divide(N1,2)
*Power
Calculates the power of x to y, x ^ y.
pow(N1,2)
*Square
Compute the square of a value, x * x.
square(N1)
Square root
Calculate the square root of a value.
sqrt(N1)
Round
Round a value towards the nearest integer.
round(N1,2)
Round - Floor
Round a value towards minus infinity.
floor(N1)
Round - Ceiling
Round a value towards plus infinity. If x is complex, both real and imaginary parts are rounded towards plus infinity.
ceil(N1)
Max
Compute the maximum value of a matrix or a list with values.
max(N1,N2,N3)
Min
Compute the minimum value of a matrix or a list of values.
min(N1,N2,N3)
Mean
Compute the mean value of matrix or a list with values.
mean(N1,N2,N3)
Median
Compute the median of a matrix or a list with values.
median(N1,N2,N3)
Mode
Computes the mode of a set of numbers or a list with values(numbers or characters).
mode(N1,N2,N3)
Standard deviation
Compute the standard deviation of a matrix or a list with values.
std(N1,N2,N3)
Sum
Compute the sum of a matrix or a list with values.
sum(N1,N2,N3)
If/Else
Executes an action if a condition is met (true) and another action if that condition is not met (false).
ifelse(conditions,then,else...)
ifelse((O1>1) and (O2>1),true,false)
ifelse(O1>
Count if
Count the number of elements that fulfil a condition.
countif([Range],condition)
countif([O1,O2,O3], "Correct")
Round
Round a number x to n decimal place
round(x,n)
round(O2,3)
round the numeric output of logic O2 to 3 decimal places.
View the full logic syntax list accepted by CheckFirst
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