How to write large font size, less than sign and equal sign correctly?

The greater than sign, the less than sign and the equal sign are all written in the left half of Tian Zige. They are aligned up and down, occupying two grids, namely the upper left grid and the lower left grid. As shown in the figure below:

Greater than profile:

The greater than sign is the symbol of inequality operation in mathematics. The greater than sign is widely used in arithmetic, and it is a must-learn content in primary schools. In 1655, Wallis used to mean "equal to or greater than", and in 1670, he also means "equal to or greater than" and "equal to or less than" respectively.

According to a letter Goldbach wrote to Euler in June 1734, the symbols ≧ and ≦ commonly used today were first adopted by a Frenchman, P. Bouguet (1698-1758), and then gradually became popular.