Sharp Scientific Calculator EL-531GH.

Sharp EL-531GH Scientific Calculator D.A.L with Sliding Cover Vintage Issues

SHARP EL-531GH Vintage Scientific Calculator (A)

Sharp EL-531WH Scientific School Calculator Advanced DAL EL-531 With Cover

Vintage Sharp EL-531GH Scientific Calculator (Needs New Battery)

Sharp EL-531LH Scientific Calculator Advanced DAL GCSE A-Level Maths

Sharp EL-531TH Advanced DAL Scientific Calculator D.A.L Algebraic

Sharp EL-531X Advanced DAL Scientific Calculator With Case