How to use ModelSim || Compile and Simulate a VHDL Code (for NAND gate) using ModelSim

Modelsim/Quartus Tutorial

Write, Compile, and Simulate a Verilog model using ModelSim

Simulating a VHDL/Verilog code using Modelsim SE.

How to Design Full Adder & write VHDL module for Full Adder using ModelSim

Using ModelSim to Compile the Half Adder VHDL