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Texas Instruments TI-89
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[6.39]Convert equation to parameterized formparcurve()
[6.15]Convert expression in polar coordinates to rectangularp2c()
[6.19]Numerical integration with intervals for better accuracynintx()
[6.26]Numerical derivative; user interface for nder1()nderui()
[6.26]Numerical derivative; optimum accuracy from nDeriv()nder2()
[6.26]Numerical derivative; diagnostic routine for nder1()nder1p()
[6.26]Numerical derivative; Ridder's methodnder1()
[3.3]Delete matrix rowmrowdel()
[3.16]Return list index of element of n-dimensional arraymrankni()
[7.14]Calculator modelmodel()
[9.14]Cycle Mode setting to next optionmodecycl()
[3.16]Return address of element of rank-n arraymnaind()
[3.13]Matrix minormminor()
[8.7]Return string or list middle elements based on position limitsmid1()
[3.21]Convert matrix to single-row vectormat2rvec()
[3.21]Convert matrix to single-column vectormat2cvec()
[6.58]Extract mantissa and exponent from floating-point numbermantexp()
[3.16]Store element to 4-dimensional arraym4sto()
[3.16]Recall element from 4-dimensional arraym4rcl()
[3.16]Return address of element of rank-4 arraym4aind()
[3.16]Store element to 3-dimensional arraym3sto()
[3.16]Recall element from 3-dimensional arraym3rcl()
[3.16]Return address of element of rank-3 arraym3aind()
[3.19]Test list for identical elementslstident()
[3.22]Make list with logarithmic element spacingloglist()
[6.4]Log-gamma functionlngamma()
[3.18]Swap list elementslistswap()
[3.4]Reverse list elementslistrev()
[6.22]Linear interpolation with numeric solverlinterp()
[6.6]Linear regression through fixed pointlinreghk()
[6.63]Matrix inverse, fast numericinv()
[6.28]Nine-point 3-dimensional interpolationintrpz9()
[6.28]Nine-point 3-dimensional interpolation, user interface for intrpz9()intrp9ui()
[6.22]Linear interpolationinterp()
[3.26]Return list indices for target element (C version)inlist()
[3.26]Return matrix indices for target elementindexmat()
[3.26]Return list indices for target element [TI Basic version]indexlst()
[6.53]Implicit derivativeimpdifn()
[6.28]Matrix used with intrpz9()im1a.9xm
[9.1]Toolbar icon exampleiconex()
[9.10]Group fraction digits of last ANSgrpfrcan()
[9.10]Group fraction digitsgrpfrc()
[4.14]Clear graph screen completelygraphClr()
[6.4]Gamma functiongamma()
[2.2]Test fractions for equalityfrctst()
[6.12]Fast floating-point polynomial solutionfipoly()
[3.28]Fill list or matrix with a constantfill_lm()
[6.24]Fibonacci numberfib()
[6.4]Factorial; non-integer and complex argumentsfactrl()
[6.40]Evaluate function with expression, list or matrix argumentf1demo()
[7.42]Extract variable names from expressionexprvars()
[6.10]See cubic() and quartic()evalrt()
[6.34]Error functionerf()
[9.21]Equation library; multiple menuseqlibx()
[9.21]Equation library; single-menueqlib()
[6.60]Exponential integralei()
E - 2

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Texas Instruments TI-89 Specifications

General IconGeneral
Display size (HxV)100 x 160 mm
Memory type639K FLASH ROM, 188K bytes RAM
Compatible operating systemsOperating System 2.09
Battery typeAAA

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