Put your mouse on one of the two operators and press space. You can then set the operators to whatever you please. Click the operator sign, (+, -, *, /, <, >), and click it, this will cycle it in between all 6 current operators.
Updates such as < and > coming soon! UPDATES: v1.0: Release. [2/6/21] v1.1: Added Greater and Less Than operations. [2/7/21]