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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