What does this MathCAD edition mean
Define units and unit functions
You can define your own units or unit functions for use in your worksheet.
You define units in the same way as variables. Apply the unit label to the unit name to ensure that PTC Mathcad can test the units:
Without unit labeling
With unit labeling
Define a unit.
Evaluate the unit. The result is returned in the worksheet's system of units.
Replace the unit in the result with the unit defined above. PTC Mathcad only recognizes labeled units.
You can use unit functions to assign a quantity to a value or to scale the value. The predefined temperature units ° C and ° F are examples of unit functions as they cannot be multiplied. The base unit of temperature is Kelvin, and to convert Kelvin to degrees Celsius or Fahrenheit, a constant term must be added. You can define your own unit functions, e.g. decibel:
You must not add the function argument (x) when using a unit function:
- Related topics
How to define a variable
How to define a function
How to assign a label
Unit scaling in common formats
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