To run Lotus 123 put the system disk in drive A and worksheets disk in drive B.
Boot the computer.

To get to command mode type /
Commands can be executed by typing first letter of command or selected by 
cursor keys and hitting return.

ESC stops current menu.

To exit / Q Y

To load worksheet / F R. Highlight file and hit return.
GRAPH1 - One of the tutorial worksheets.
   F10 will plot bar chart of data.
   Any key will return to spreadsheet.
   
GRAPH2 - Another of the tutorial worksheets.
   F10 will plot bar chart of data.

The following are from TI users group disks 

STATGRAF - Print statistics graphs. 
   Follow instructions on screen.

88FEDTAX - worksheet for calculating your 1988 taxes.

AMORT1X - Calculate loan amortization schedule.
   ALT-D to get to enter loan values. Scroll down to any of the green values
   starting at line 104, type in new value and hit return. Scroll down to 
   line 119 to see payment table.

CHKBK - Checkbook register program.
   Follow instructions on screen.

To print graphs from GRAPH1 exit 123
Select PrintGraph. Put in PrintGraph disk when requested.
Hit return on select. Use cursor keys to go to file to print. Hit space bar
then return.  The SALESBW prints best.
Hit G or select Go from menu.

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Disks from https://winworldpc.com/product/lotus-1-2-3/1x

Unlocked with instructions from 
http://cd.textfiles.com/bthevhell/500/488/123a.unp
modified as follows

1. Rename 123.EXE 123.XYZ
2. DEBUG 123.XYZ
3. type  U ABA9
4. you should see    INT 4D   at that address
5. type  E ABA9 C3 90
6. type  W
7. type  Q
8. Rename 123.XYZ 123.EXE