Now if there's one thing that hasn't changed in 30 years, it's adding up, subtracting and that other one with the weird symbol. Dr. Kawashima can't ask us anything he couldn't have asked in the 70s, but damn that guy can dress his quiz up nice.
Not like Brain Games, here, which manages to look even less enticing than our PC's calculator when we're totalling up our debts each month. Ick.