Original Casio Scientific fx-991ES PLUS 2nd Edition [MS][1Pc] Office Files Material: GPPS (4C) Plastic +

Material: GPPS (4C) Plastic + Steel blade

The numbers in the staple pin size refer to the gauge of the wire and the length of the legs

by refilling it at least 3 times

The glue is easy to apply

including paper

Original Casio Scientific fx-991ES PLUS 2nd Edition [MS][1Pc] Office Files Material: GPPS (4C) Plastic +Original Casio Scientific fx 991ES PLUS 2nd Edition [MS][1Pc] Casio's Non programmable scientific calculator fx 991ES PLUS 2nd Edition is a redesigned ES PLUS series calculator featuring an easy to understand Natural Textbook Display having 417 Functions. 417 Functions, Natural V. P. A. M. Textbook Display, Multi Replay Function Fraction, Square Root, Trigonometry, Table, Statistical Calculations, Equation Calculations (CALC, SOLVE), Matrix & Vector