You can use ^ and %, but must enter them in the _Alphanumeric variable twice as ^^ or %%. However, if you want to use the result (_RndAlphaNum) later in the batch file (other than Echoing to the screen), they might require special handling. You can even use a space, as long as it's not the last character in the string.
23 inches (59cm) is the minimum distance required for a chair behind a desk. This would fit a modest sized chair. For more comfort and to accommodate a bigger office chair increase the chair clearance to 30 inches (76cm). Office Chair tips. Swivel chairs make it easier to get in and out from behind your desk, especially if the space is a bit tight.
Most school chairs for 5th grade through high school use a standard 18â³ chair. Some manufacturers, like Scholar Craft offer a 17.5â³ or 17 1/2â³ student chair instead of an 18â³ chair, which is also considered a full size chair. 5th Grade students through High School, to Adult size student chairs are typically 18â³ high â the de facto standard chair height.