Using A Calculator

9.Calculate 2560.25 + 4 × 8.

10.Calculate \√[3]{8.12 - 1.308}.

11.Calculate 17.8 − 1.325.

12.Use your calculator to work out 1 − (sin 33°)².

13.Use your calculator to work out 19.42² - \√[3]{1006 \div 4.95}. Write down your full calculator display.

14.Use your calculator to work out (sin 25° + sin 40°) / (cos 25° − cos 40°). Write down all the figures on your calculator display.

15.Round the answer from the previous question to 2 decimal places.

16.Calculate 3.2 × 4.5.

17.Calculate 12.6 ÷ 0.3.

18.Calculate 7.89 + 3.45.

19.Calculate 15.2 − 8.7.

20.Calculate 4.2 × (7.1 − 2.9).

21.Calculate (8.5 + 3.2) / (2.6 − 1.1).

22.Calculate 5³.

23.Calculate √(144).

24.Calculate sin(30°).

25.Calculate cos(60°).

26.Calculate (7.2 × 10³) / (1.8 × 10^-2). Give your answer in standard form.

27.Calculate tan(45°) + sin(30°).

28.Calculate \√[3]{27} + 2⁴.

29.Calculate (5.6² − 3.2) / (1.4 + 0.6).

30.Calculate 1 / (0.2²).

31.Which button on a scientific calculator is used to input a negative number?

32.On a scientific calculator, sin(30°) gives 0.5 when the calculator is in degrees mode.

33.What is the result of (sin 45° + cos 45°) / tan 45°?

34.Which of the following is the correct way to enter \frac{\√{4.69}}{0.34³ + \sin 45^\circ} into a scientific calculator?

35.Put the following steps in the correct order to calculate \frac{\√{4.69}}{0.34³ + \sin 45^\circ} on a scientific calculator.

36.Match each calculator button to its function.

37.Which of the following are correct ways to enter \frac{\√{4.69}}{0.34³ + \sin 45^\circ} into a scientific calculator? (Select all that apply.)

38.When entering -3² on a calculator without brackets, the result is 9.

39.Arrange the following steps in the correct order to use the table function on a Casio fx-83GT to complete a table for y = x³ − 6x + 1 from x = -3 to 3 with step 1.

40.Use your calculator to work out 4.55 − 4.

41.Calculate 0.45 × 0.38.

42.Evaluate \frac{0.45 \times 0.38}{1 - 0.7} and give your answer correct to 4 significant figures.

43.Use your calculator to work out \frac{19.42² - \√[3]{1006 \div 4.95}}{35 - 1.93}. Write down all the figures on your calculator display.

44.Complete the sentence:

45.Given a = \frac{p + q}{p² q}, find a when p = 1.2 × 10⁻³ and q = 7.83 × 10⁵. Give your answer to 3 significant figures.

46.Use your calculator to find the value of \√[3]{23} + 2. Write down all the figures on your calculator display.

47.What button do you press on a scientific calculator to switch between exact (fraction) and approximate (decimal) answers?

48.Complete the sentence about calculator settings.

49.Explain how to use the table function on a scientific calculator to complete a table of values for y = x³ − 6x + 1.

50.Use your calculator to work out 4.55 − 4.

51.Calculate 0.45 × 0.38.

52.Evaluate \frac{0.45 \times 0.38}{1 - 0.7} and give your answer correct to 4 significant figures.

53.Use your calculator to work out \frac{19.42² - \√[3]{1006 \div 4.95}}{35 - 1.93}. Write down all the figures on your calculator display.

54.Given a = \frac{p + q}{p² q}, find a when p = 1.2 × 10⁻³ and q = 7.83 × 10⁵. Give your answer to 3 significant figures.

55.Use your calculator to find the value of \√[3]{23} + 2. Write down all the figures on your calculator display.