![]() Moreover, depending on features, functions, and conversions, one calculator is bound to be different from another. For instance, Casio scientific calculators and Texas Instruments calculators might vary in operations and general functions. There are many scientific calculators in the market and every company (even models, at times) programs their scientific calculators differently. Programmable calculators are more like general-purpose computers capable of performing the automatic sequence of operations. Graphing calculators support features like plotting graphs, solving simultaneous equations, and other tasks. Moreover, there are variations to scientific calculators like graphing and programmable. Regular calculators can’t express too big or small numbers accurately, and that’s where the need for scientific calculators emerges. The plate below the display shows which number key you need to press.In addition, you can also denote the results of your calculations in scientific notation by using scientific calculators. Press the key in combination with the number key that corresponds to the angle mode you want to select. Standard and programmable scientific calculators other than those indicated above: Input the number that corresponds to the angle mode you want to select. Press to cycle through screens on the display until the angle mode selection screen is appears. ![]() The following shows the relationship between the three angle modes.ĭegree is the initial default angle mode for a standard scientific calculator and a programmable scientific calculator. The following are calculations that use grads. If "G" or "GRA" is on the display, it means that the current angle mode is Grad.Ī grad is 1/400 of the circumference of a circle. The following are calculations that use radians. Measurement of angles using radians called the "radian system of angular measurement". If "R" or "RAD" is on the display, it means that the current angle mode is Radian.Ī radian is 1/2πr of the circumference of a circle. The following shows a calculation that uses degrees. If "D" or "DEG" is on the display, it means that the current angle mode is Degree.Ī degree is 1/360 of the circumference of a circle. The current angle mode setting is indicated on the calculator's display by one of the indicators described below. If it isn't, you need to change it.ĭetermining the Current Angle Mode Setting The calculator has three angle modes, and you need to check to make sure that the currently selected angle mode is the correct one for the type of calculation you are trying to perform. ![]() ![]() ![]() Q12 Is there anything I need to keep in mind when performing calculations that involve trigonometric functions or angles? A12 Yes. ![]()
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