Update 'README.md'

README.md

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 # 159.341_A3_ImprecisionFinder
 
-Quick program to find imprecision in the data set
+Quick program to find imprecision in the generated data set
+
+Usage:
+
+The full file path when prompted (shift+right click on the file -> 'Copy as Path')
+
+Output is saved as imprecision.txt, where the exe is run from.
+
+
+See [Releases](/BrychanD/159.341_A3_ImprecisionFinder/releases) for a compiled version
+
+```
+Sample output:
+7 dp	4 dp	(.000001	.000005)
+3 dp	3 dp	(.000397	.000702)
+3 dp	3 dp	(.000771	.000736)
+7 dp	7 dp	(.000000	.000000)
+4 dp	4 dp	(.000496	.000622)
+match	match	(.000000	.000000)
+```