Question about Texas Instruments TI-84 Plus Calculator

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How do i find the hyperbolic sine function on my calculator?

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Press 2ND [CATALOG] (the 0 key) to bring up the catalog. Press LN to get to the beginning of the S's. Down-arrow to sinh(. You can access the other hyperbolic functions similarly.

Posted on Nov 13, 2010

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"Undefined" as answer to an inverse sine calculation


I suspect that you are confusing things a bit.
The inverse sine, called the arcsine is a function defined in the closed interval [-1,1]. And so is the inverse cosine. Any value outside this interval will give you a non-real result (meaning a complex one).
There are no limitations on the domain of definition of the inverse hyperbolic sine or sinh^-1
If your input value is allowed to be complex, the arcsine function gives a complex value. See the screen capture

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Mar 17, 2014 | Texas Instruments TI 89 Titanium Graphing...

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Hyperbolic trig


You cannot use the two words in the same sentence. To use the hyperbolic functions, press the HYP key. The display will show you what follows.
1: hyperbolic sine, 2: hyperbolic cosine, 3: hyperbolic tangent, and their inverses.
To calculate the hyperbolic cosine of the number 27/3, press 1 in the first screen capture, you get cosh(. Complete the expression and press=

7f03493a-a744-4afe-bf6f-2eb2158f6cf9.png 720e5022-2149-464e-b55f-a2d90407578d.png

Mar 17, 2014 | Casio FX991ES Scientific Calculator

1 Answer

I can not find the arc key or the INV key


The INV key that you may find on some scientific calculators has, on the TI 83/84/ Plus calculators, an equivalent key marked [2nd].

On the TI83/84 Plus, each trigonometric function has a second marking [SIN^-1], [COS^-1] or [TAN^-1]. To calculate the inverses of trigonometric functions ( arc sine, arc cosine, arc tangent) you press [2nd] followed by the relevant trigonometric function key For example, [2nd] [SIN] displays sin^-1( on the command line.

Unfortunately the hyperbolic functions and their inverses are only accessed through the CATALOG. You press [2nd][0] to open the CATALOG. Then you scroll down the CATALOG list to reach cosh(, cosh^-(, sinh(, sinh^-1(, tanh(, or tanh^-1(.
To speed the search in the catalog, you use the ALPHA keyboard: To reach cosh(, press[PRGM] and you scroll down from there.

Feb 27, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

What does the eng,in,sin.cos,hyp,rcl,abs


You sure will benefit more from your calculator by taking a look at its manual. After all that is what it was created for.

No matter. I am willing to presume that if you are asking about these keys that is because you have not seen the relevant functions yet in your Math courses. One day or another (soon) you will know about them, and I will not go into explaining what they are or what they are used for. (Awfully SORRY)
  1. ENG signifies engineering notation (No I will not explain what it is).
  2. SIN, COS, and TAN are the keys for the trigonometric function sine, cosine, and tangent.
  3. HYP is entered before a trigonometric function key to calculate its hyperbolic counterpart : the hyperbolic sine (HYP SIN), the hyperbolic cosine (HYP COS), and the hyperbolic tangent (HYP TAN).
  4. RCL followed by a letter recalls a value stored in memories, A, B, C, D, M.
  5. ABS takes the absolute value of an expression.
  6. IN, I do not know, but it might be LN for natural logarithm.

Feb 19, 2011 | Casio FX83ES Scientific Calculator

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What do the symbols like log ,abs,hyp,sin,cos,tan,rcl,m+ ang eng stand for


log - logarithm abs - absolute value
hyp - hyperbolic function sin - sine cos - cosine tan - tangent rcl - recall variable value m+ - memory in eng - engineering notation

Feb 19, 2011 | Casio FX83ES Scientific Calculator

1 Answer

I'm trying to do sin-1 7/2 but it keeps saying math error.


That is correct: there is an error in your request. The range of the sine function spans the closed interval [-1, 1]. Thus the domain of the inverse sine function (the arc-sine) is the interval [-1,1]. However you are asking the calculator to calculate outside of the domain (7/2=3.5). If you are using the hyperbolic sine sinh, that is another matter.

Feb 18, 2011 | Casio FX-300MS Calculator

1 Answer

How to use calculator on how to evaluate trigonometric functions


The FX-115ES is somewhat different to other calculators you might know. The sequence of keys is more like writing up a calculation in a textbook, whereas for "normal" calculators operations are reversed in some places.
For example, with most calculators you would type 30 [sin] to calculate the sine function of 30 degrees, with the 115ES its [sin] 30 [=].

The 115ES has all the standard trigonometric functions:
  • Standard functions (sin, cos, tan), type the [sin], [cos] or [tan] key followed by the argument.
  • Inverse trigonometric (sin?¹, cos?¹, tan?¹), type [SHIFT][sin], [SHIFT][cos] or [SHIFT][tan] followed by the argument.
  • Hyperbolic functions (sinh, cosh, tanh), type [HYP][sin], [HYP][cos], or [HYP][tan] followed by the argument.
  • and finally inverse hyperbolic (sinh?¹, cosh?¹, tanh?¹), its [SHIFT][HYP][sin], [SHIFT][HYP][cos], or [SHIFT][HYP][tan] followed by the argument.
Arguments can be given as numbers with mantissa (2.718), as fractions (use the fraction key below [CALC]) or as degree, minute, second (30°12'45") using the [°'"] key for input. To switch between degrees (1 circle = 360°), radians (1 circle = 2?), or grad (1 circle = 400 gon), use [SHIFT][DRG>].

Jan 06, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

What is d use of hyp function??


The hyp key is used with the cos, sin, and tan keys to compute the hyperbolic cosine, hyperbolic sine, and hyperbolic tangent functions (and their inverses).

The hyperbolic functions are computed the same way as the trignometric functions: simply press the hyp key just before pressing the desired trig key.

May 04, 2010 | Casio FX-300MS Calculator

2 Answers

Step by step ho to Convert Fractions to decimals?


No post is an adequate substitute for reading the manual. Here is the meaning of some of the primary keys.
  1. hyp.: To calculate hyperbolic functions: hyp + sin calculates the hyperbolic sine, hyp + cos calculates the hyperbolic cosine, hyp + tan calculates the hyperbolic tangent (sinh, cosh, tanh)
  2. sin. To calculate the sine of an angle
  3. cos.To calculate the cosine of an angle
  4. tan. To calculate the tangent of an angle
  5. yx : y with raised x, calculates general powers
  6. ln: calculates the natural logarithm (log in base e)
  7. log: calculates the logarithm in base 10
  8. ab/c : used to enter mixed fractions; 13 ab/c 7 ab/c 5 enter the mixed fraction 13 and 7/5
  9. x10 to the X : calculates the exponential function on some calculators. used to enter powers of 10 as in scientific notation; 6.02x10^23 is keyed in as 6.02 EXP 23 (Avogadro's Number of Chemistry and Physics)
  10. (-).: This is the change sign. It negates the value of a number. If a result is positive it makes it negative, and if it is negative it makes positive
  11. deg ' " : used to convert between decimal degrees and degree, minute, second.
  12. rcl : used In conjunction with a memory location, recalls the contents of the memory ( if there is one memory M, extracts what is in M and displays it)
  13. sto: used in conjunction with the name of a memory register, stores a result or an entry in the relevant memory.
  14. M+ adds the content of the display to the constant memory M

Jan 13, 2010 | Casio FX-115ES Scientific Calculator

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