Reserved Keywords

The following table lists  reserved keywords and symbols.
These elements have special meaning in MSMB.
Some of them represent things which look like functions, some look like constants, and so on– but they’re not, they are language constructs.
The user cannot use any of the listed keywords to name species, compartments, global quantities or functions.
If s/he wants to use any of the listed symbols as a name a model element, the symbol should be surrounded by quotes symbols

Variable	Keywords
Avogadro Constant	%NA%
Quantity Conversion Factor	%QCF%
Model Time	%ModTime%
Model Initial Time	%ModTime.i%
Square root function	sqrt
Round function	round, floor, ceil
Exponential function	exp
Square root function	log, log10
Square root function	delay
	cos, sin, tan, acos, asin, atan, tanh, cosh, sec,
	csc, cot, sinh, arcsec, arcsc, arccot, acrsinh, arccosh,
	arctanh, arcsech, arccscsh, arccoth
Square root function	factorial
Square root function	abs
Square root function	min, max
if statements	if
Square root function	PI
Square root function	EXPONENTIALE
Not a number	NaN, NAN, nan
Boolean values	TRUE, true, True
	FALSE, false, False
Summation for Multistate species	SUM
Function argument types	VAR, GLQ, SUB, PROD, MOD, SITE, VOL, TIME

Type keyword	Meaning
VAR	Generic type. Any named element of the model.
GLQ	Parameter declared in the Global quantity tab
SUB	Substrate species listed in the reactant part of the reaction that uses this function
PROD	Product species listed in the product part of the reaction that uses this function
MOD	Modifier species listed as modifier for the reaction that uses this function
VOL	Volume of a compartment declared in the Compartment tab
SITE	Name of a site of a multistate species (used in the SUM operator)

Element suffixes

Variable	Element extension
Species (Initial Concentration)	.init.cnc
Species (Initial Particle Number)	.init.prt
Species (Rates Concentration)	.rate.cnc
Species (Rates Particle Number)	.rate.p
Species (Transient Concentration)	.trns.cnc
Species (Transient Particle Number)	.trns.prt
Global Quantities (Transient Value)	.trns
Global Quantities (Initial Value)	.init
Global Quantities (Rate Value)	.rate
Compartments (Transient Volume)	.trns
Compartments (Initial Volume)	.init
Compartments (Rates)	.rate
Reactions (Fluxes Concentration)	.flx.cnc
Reactions (Fluxes Particle Number)	.flx.prt
Species (if conflicting name)	.spc
Global quantity (if conflicting name)	.glq
Compartment (if conflicting name)	.cmp
Reaction (if conflicting name)	.rct
Function call (if conflicting name)	.fnc