$left - Returns a string containing a specified number of characters from the left side of a string
$lower - Returns a copy of a string converted to lowercase
@log - Returns the natural (base e) logarithm of a specified number
@log10 - Returns the base 10 logarithm of a specified number
len - Returns the number of characters in the string
LoadFinished – To be completed
LoadStarted – To be completed
local – To be completed
log – To be completed
LogGeneral – To be completed
LogProbing – To be completed
LogWarning – To be completed