You can see from the calculation that only the hundreds digit has changed. You don't need to draw out a place value grid each time you want to do an efficient addition or subtraction. Think about ...

My son needed a way to practice his math, and I was working & attending school, so I came up with this. It generates two random 3-digit numbers as arguments for the equation. It also randomly ...

Then this data is transferred to display function through the main function where the inputs a and b are displayed to the user on the seven-segment display.In the ‘functions’ module, the four ...