See Scratchpad I, AXIOM.
[“Scratchpad II Programming Language Manual”, R.D. Jenks et al, IBM, 1985].
[Scratchpad II Newsletter: Computer Algebra Group, TJWRC, Box 218, Yorktown Hts, NY 10598].
/ˈskrætʃˌpleɪt/ noun 1. a plastic or metal plate attached to the front of a guitar to protect it from pick scratches
[skrach-proof] /ˈskrætʃˌpruf/ adjective 1. resistant to scratches.
noun 1. a racing publication giving the betting odds and other information on the horses entered at a racetrack or racetracks during a racing day. scratch sheet noun 1. (US & Canadian, informal) another term for a dope sheet scratch sheet
noun 1. a test for a suspected allergy in which the skin is scratched and an allergen applied to the area, redness indicating a positive reaction. scratch test noun 1. (med) a skin test to determine allergic sensitivity to various substances by placing the allergen to be tested over an area of lightly scratched skin. […]