Trigonometry The uses of scientific calculators are best seen in various aspects and situations. It is time consuming to look for functions on a logarithmic table, as compared to scientific calculator which can readily access certain mathematical functions like the trigonometric functions in a speedy manner. The calculator is needed to calculate problems in Chemistry, Astronomy and Physics involving very large numbers.Here are some of the common models in the market:HP 35s Scientific CalculatorThe Hewlett Packard (HP) 35s Scientific Calculator is a heavy duty and affordable calculator. It features over 100 built-in functions and work on a 30 KB memory along with 800+ registers.
The HP Scientific Calculator also includes 2-line display, indicators and 14 characters. The other features are power off memory protection, with prompts and menus, 15 digits internal precision, with 13maximum level of pending operation, and Reverse Polish Notation (RPN) and algebraic entry system.The HP unit is enclosed by a plastic, metal faceplate and has an alpha numeric keyboard. It uses 2 x CR2032 batteries included in the calculator and such battery has a life of about nine months. It measures 3.23 x 6.22 x 0.72 inches and weighs 4.4 ounces. The calculator is supported by one year limited warranty and comes along with a user guide manual.
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