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1. Who developed logarithms in 1614?

1. Henry Briggs
2. William Gunter
3. John Napier
4. Blaise Pascal

2. Napier’s rods or bones were used to calculate and .

1. multiplication and division
2. addition and multiplication
3. square and square roots

3. A frame with vertical strings on which beads are maneuvered for calculations is

1. a calculating clock.
2. a stepped reckoner.
3. an abacus.
4. Napier’s rods.

4. Both the rectilinear and the less commonly used circular slide rule were invented by the English mathematician after the discovery of logarithms.

1. William Gunter
2. John Napier
3. William Oughtred
4. Wilhelm Schikard

5. What profession still used the slide ruler until the 1960s?

1. Agriculture
2. Engineering
3. Legal
4. Medical

6. In 1623 German scientist Wilhelm Schikard invented a machine that used 11 complete and 6 incomplete sprocketed wheels that could add and, with the aid of logarithm tables, multiply and divide. He developed it to assist the astronomer

1. Edmond Halley.
2. Edwin Hubble.
3. Johannes Kepler.
4. Carl Sagan.

7. When did Pascal invent the first mechanical adding machine?

1. 1617
2. 1620
3. 1623
4. 1642

8. What was NOT named after Blaise Pascal?

1. A high-level computer programming language designed to support structured programming and used in teaching, applications, and systems programming.
2. A unit of pressure equal to one newton per square meter.
3. The calculating clock
4. The Pascaline, a mathematical adding machine

9. What are logarithms?

10. Why did Pascal develop his mechanical adding machine?