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A Scientific Calculator to Use

A Scientific Calculator to Use

A Scientific Calculator to Use

This scientific calculator can tell you in fractions, on the order of magnitude, and percentage. It also computes the area and circumference of a circle. Sure, that's a lot of information for a calculator, but it only takes up a few minutes to learn this time-saving tool.

Use

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When describing how to use various calculator functions, this guide gives the exact keys that you need to press using the symbols shown on the keys. This is known as a ‘key sequence’. If the key sequence accesses the second function of a key, or a function from a menu, the name of this function will be given in brackets at the appropriate point in the key sequence. Names in brackets are thus not keys that you press but simply describe the function that is accessed using the previous key sequence. For example, to turn off the calculator, press .

Trig Functions: When you're working with angles, keep in mind many calculators let you select whether to express the answer in degrees or radians. Then, you need to determine whether you enter the angle (check the units) and then sin, cos, tan, etc., or whether you press the sin, cos, etc., button and then enter the number. How do you test this: Remember the sine of a 30-degree angle is 0.5. Enter 30 and then SIN and see if you get 0.5. No? Try SIN and then 30. If you get 0.5 using one of these methods, then you know which works. However, if you get -0.988 then your calculator is set to radian mode. To change to degrees, look for a MODE key. There is often an indicator of units written right up with the numerals to let you know what you're getting. (Source: www.thoughtco.com)

 

 

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