Design Calculator using Deeds software

In this assignment, you and your team are required to design a basic digital calculator that able to do the operation of MULTIPLICATION (X) of two single decimal numbers from 0 to 9 (with positive and negative input). Include the square function N2 in the design as well. Generally, the draft idea of design includes: i) Button of -,0,1,2,3,4,5,6,7,8,9,X, N2, =, Clear ii) Decimal to binary encoder iii) Multiplication circuit iv) Binary to decimal decoder v) Register for memory vi) Two seven-segment displays, one +/-sign display et al Design using Deeds software, other software is unacceptable.