A tool that is used to help us compute or calculate figures are the calculators. Aside from different design or style of calculator from small or big, bulky or slim, with motif or design or just plain color there are more to know and learn about what type of calculator should one used depending on where the person is going to used it for. This is because there are calculators that are designed for a certain purpose like uses in for basic math calculations such as addition, subtraction, multiplication and division while some is used for businesses or trades.

Here are some of types of calculator that we can encounter along our daily activities.

The most well known and used calculator the basic calculator. This is more generally used at home and at children primary school age. It does the basic calculations such as add, subtract, multiply, divide, percentages, square roots and simple memory function.

Another is the scientific calculator where it is used by secondary school and onwards. It does combinations, coordinate conversion, degrees, degrees/minutes/seconds, exponential regression, exponents, expression editing, factorials, FIX/SCI/NORM, fractions, trigonometric (SIN/COS/TAN) and more.

Another is Graphic calculator same with scientific calculator is used by secondary school and onwards. It does angle measurements(DEG/RAD/GRA), bar chart, combinations (nCr) & permutations (nPr), complex numbers, confidence intervals (Z & T), DEC/HEX/BIN/OCT conversions, distribution tests (Z, t, chi, ANOVA), distributions (NORM/T/CHI/Fbinomial/poisson), dynamic graphing, FIX/SCI/NORM, fractions, logic operations, parametric, parenthesis levels 26, pie chart and more.

But not all models of this are allowed into GCSE and A Level exams. For GCSE and A Level exams, a scientific calculator is all that is necessary, although a Graphic calculator may be a useful extra.

The financial calculator is used by a person who is studying or doing financial management. It does amortization, cash flow or Investment Appraisal, conversions, cost sell margin and day calculations and more.

So choose the right calculator for you to use.