Without even opening the portfolio, one quick touch opens the calculator cover and allows the calculator to swing out with smooth robotic action. Another touch opens the calculator's LCD cover which automatically rotates behind the calculator elevating it into and easy-to-view position. When the portfolio is open, a tap smoothly raises the pneumatic calculator to its easel position and give you access to the full note pad. Calculator - use two ways - outside with book closed or inside with book open. Include 8.5" x 11" ivory pad. Pen loop & pen slot. Made in China. Dimensions: 13.5 x 10.5 x 1.5.