| Easiest is to cover the slate with masking tape and then just draw a table - left hand column all the stop depths and then title the colmuns as ideal, and then your variances ie: +3/+3, -3/-3, No deco etc etc. In each column put all the times for each stop for that depth and time. You can also put a cross at the gass swtich depths. Make sure you write clearly and don't clutter. When done just peel off the masking tape. If you have the slates with pages then ideal on top slate, variances in second 'page' and then lost gasses on last slate.
If your know you are going to do a series of dives with the same profile and gasses then use a program to generate the stops, transfer them to Excel and print them out as a series of small tables, laminate them, punch in hole in the corner and tie them together. These are re-usable.
Sorry I have no pictures.
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