WONDER #1411: How Does a Calculator Work?

Question 1 of 3

In what year did the Casio Computer Company release the world’s first all-electric compact calculator?

1. 1865
2. 1776
3. 1923
4. 1957

Question 2 of 3

Integrated circuits contain what that can be turned on and off with electricity to perform mathematical calculations?

1. transistors
2. LCDs
3. LEDs
4. vacuum tubes

Question 3 of 3

How many digits are used in a binary, base-two number system?

1. 1
2. 2
3. 3
4. 4

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