summary
● Graphing and scientific calculators are popular choices when selecting a calculator.
● Graphing calculators are the most powerful and versatile.
● Graphing calculators can display graphs and are programmable.
● RPN calculators allow entering of formulas as algebraic equations.
● RPN places the operands on a stack, which makes them fast.
● Engineering uses scientific calculators.
● The calculator needed for this textbook includes:
21 2 – on the average gives the most consistent reliability.
×, 4, 1⁄X or X , x , and √ , with a memory
● Using a calculator requires knowing the sequence for entering the data.
● Math skills are necessary to correctly interpret the results of the calculator.
● Calculators do not round the final answer of the calculator.
● Rounding is a way of dropping least significant digits.