Milan - Blister M228 Scientific Calculator - Blue pilot fountain pen while the hardcover style is

while the hardcover style is durable and long lasting

Design Features and Inspiration

Its intricate patterns are reminiscent of a reptile skin

Emeraude de Chivor is an elegant emerald green ink with flecks of gold

developing an exquisite natural patina with use

Milan - Blister M228 Scientific Calculator - Blue pilot fountain pen while the hardcover style isWhite M240 scientific calculator with hard wearing white protective cover. With 2 line reading screen (10+2 digits). Simultaneous viewing of expression and result. 240 integrated functions, including 124 scientific functions. Trigonometric functions, parabolic and hyperbolic functions and calculation of up to 6 different types of regression; memory for the storage of averages.