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For example:
Value | Low | High | Units | Comment |
---|---|---|---|---|
1.2 miles | 1.15 | 1.25 | miles | 1.2 has 2 significant digits |
80 feet ± 1 foot | 79 | 81 | feet | pm can be used for ± |
"*" means multiply by, so "length * width" means "length multiplied by width".
"as acres" tells UnitMath the units we want in the answer.
Putting this all together we get the following equation:
1.2 mile * ( 80 feet ± 1 foot ) as acres
When when evalueted the above equation returns:
~ ( 11.01 to 12.27 ) acres
As you can see the result is inexact and has the requested units. In general, if the input is inexact, the result is inexact.
If needed, make a clear area by pressing the enter key several times, or deleting some existing text.
Selection Method: Select ( highlight ) the equation 2 + 2.
Cursor Method: Put the insertion cursor is on the same line as 2 + 2, with nothing selected. The new result will automatically be overwrite the old displayed result.
UnitMath is intended as a worksheet to do calculations which are to be added to other documents that will include supporting text, tables, graphs and drawings. There are many great existing programs for word processing, drawing and presenting data. UnitMath is a powerful support tool to these existing programs. To use UnitMath with these programs simply copy and paste between UnitMath and the other program.