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Page Revision: 2013/01/03 10:35

SMath Studio can handle units; there's a large list of built-in units available for the most common applications that could be easily extended by the user.

Units are represented with an

italic blue-colored font

.

Insert a unit

To insert a unit, press the apostrophe (') and then digit the unit name; the placeholder shape will change and the dynamic assistance box can help you showing the built-in units (double click or press the TAB key to insert the selected unit in the formula).

Alternatively you can add a built-in unit by the units window (CTRL+W or menu "Insert" > "Unit..."), where you can easily find the unit by name or by family.

Evaluating an expression that contain units, the output will be delivered with the default units (SI base units); to change the output unit, write your favorite unit in the right placeholder.

NOTE: the multiplication sign for units is hidden by default, so units like kN*m are shown kN m; to avoid errors the right way to type the unit is 'kN*'m, not 'kNm.

Custom units

You may define/override an unit inside the sheet (simplest way) or handling the Units.xml file.

Units language

From the menu "Tools" > "Options..." you can change the units language.

If you have localized units in your country leave a comment here

Unit description

The built-in unit description can be retrieved as a string using the description() function.

Known issues

to inform the developers about issues you found out use the forum (bugs&problems)

Not all built-in functions work with units; to work with these functions divide the argument for the expected unit and multiply the result by the same unit.

The 0 value have no units. If you want an unit as output even when the result can be null, set the unit in the right placeholder.

History

• SMath 0.87.3719 (Beta): first relase
• SMath 0.88 (Stable): first stable relase
• SMath 0.90 (Stable): translatable units implemented

See also

• Built-in Units
• Keyboard shortcuts
• description()

References

• Introduction to SMath Studio 0.88 (PDF)
• Video examples of calculations with units for hydraulics (G.Urroz) - See Part 2 SMath Studio
• Crib Sheet for SMath Studio 0.95 (PDF)
• Crib Sheet for SMath Studio 0.90 (PDF)
• Crib Sheet for SMath Studio 0.89 (PDF)
• Crib Sheet for SMath Studio 0.88 (PDF)
• Custom units examples (SMath sheet)
• Unit.xml behavior - SMath forum