UNITWITH

Syntax

UNITWITH ( expression, equation|equation list )

Implemented in iMath since version 2.2.0 or earlier.

Explanation

Try to find a quantity (number with optional units) for the expression from any equations defined previously in the document, plus the equations given as the second argument. Return the units of this result. Gives an error if the expression does not evaluate to a quantity.

Example

EQDEF a = 3 x

EQDEF b = 2 x

EXDEF UNITWITH(a + b, x = 7 %metre)

This will output "m".

See also

QUANTITY QUANTITYWITH NUMVAL NUMVALWITH VAL VALWITH AVAL AVALWITH UNIT