Mathematics for IGCSE & O level - Using A Calculator (Section 1 - No. 2)

When writing a fraction in a calculation, how do you ensure that the calculator follows the correct order of operations?

Write the fraction directly into the calculator as is.

Use brackets to group the numerator and denominator.

Use a calculator designed only for fractions.

Ignore the fractions and estimate the answer

Brackets are necessary to instruct the calculator to perform the operations within the numerator and denominator before division.