Core Maths A

Use of Technology

# Using Standard Calculators

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Using Standard Calculators

Using Standard Calculators

**Basic Functions**

- Understand how to perform simple calculations like addition, subtraction, multiplication, and division.
- Understand how to handle fractions, decimals, and percentages.
- Familiarise with constant function that allows repeated multiplications or divisions.
- Appreciate the clear entry (CE) function that clears the most recent entry, instead of the whole calculation.

**Advanced Operations**

- Get comfortable with square roots and cube roots.
- Learn how to use exponentiation (
**power**) function, for raising one number to the power of another. - Understand usage of factorial button for calculations involving permutations and combinations.
- Consider use of reciprocal (
**1/x**) function for fraction conversions.

**Memory Functions**

- Learn to use the memory store (
**MS**) and memory recall (**MR**) functions to store and recall numbers respectively. - Understand the memory add (
**M+**) and memory subtract (**M-**) functions to add/subtract numbers to/from stored memory.

**Functions Involving Trigonometry and Algebra**

- Familiarise with functions like sine, cosine, and tangent, and their inverses.
- Understand how to use logarithmic functions (
**log**) and the natural logarithm (**ln**). - Get a grip on how to implement the algebraic method for problem-solving.

**Advanced Calculator Use**

- Apply the correct order of operations using brackets.
- Understand modes of the calculator such as degree and radian modes for trigonometric calculations.
- Understand scientific notation for handling large or very small numbers.
- Examine the use of a fraction button for converting fractions into decimals and vice versa.

Note: Practising calculator usage with a diverse range of numerical and algebraic problems can encourage fluency and accuracy in the real world and exam settings.