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StatLitE v1.00
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FILE INFORMATION
Ranked as 24734 on our all-time top downloads list with 2411 downloads.
Ranked as 5648 on our top downloads list for the past seven days with 3 downloads.
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statlite.zip
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Filename
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statlite.zip (Download)
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Title
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StatLitE v1.00
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Description
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StatLitE v1.00 includes a "full precision" replacement for the built-in TI-83 normal cumulative distribution function. TI-83: normalcdf(-1E99,0,0,1) returns .5000000005 TI-89: TIStat.normCdf(-inf,0,0,1) returns .50000000052481 The replacement normcdf returns .5 on both the TI-83 and TI-89 The built-in norm[al]cdf only has 6 digits of accuracy when z=3 Z-score 3 Excel 2003 0.998650101968370 TI-89 0.99865003277777 TI-83 0.9986500328 StatLitE v1.00s normcdf has full display accuracy Z-score 3 Excel 2003 0.998650101968370 StatLitE normcdf 0.99865010196835 ti83p normcdf 0.998650102 StatLitE v1.00 includes an inverse normal program, norminv, which is more accurate for probabilities < 0.995. Norminv handles extremely small probabilities better than the built-in inverse routine. A stand-alone error function is also included. Chi2cdf, chi2pdf, Fcdf, Fpdf, tcdf and tpdf call the built-in routines, which have full accuracy. They are only included as a convenient reminder about the order of parameter entry. They can all be deleted.
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Author
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Bob Wang (bobby_wang@hotmail.com)
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Category
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TI-83/84 Plus BASIC Math Programs (Statistics)
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File Size
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32,595 bytes
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File Date and Time
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Sat Oct 28 01:06:40 2006
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Documentation Included?
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Yes
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SCREEN SHOTS
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ARCHIVE CONTENTS
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Archive Contents
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Name
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Size
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| TCDF.8xp | 143 |
| TPDF.8xp | 127 |
| Annouce.txt | 1131 |
| History.txt | 41 |
| WARNING.TXT | 360 |
| StatLitE v1.00 TI-83.tig | 8608 |
| mem83p.gif | 2396 |
| normcdf.gif | 2077 |
| norminv.gif | 2075 |
| normpdf.gif | 2094 |
| Accuracy Comparisons.xls | 18944 |
| Peter J. Acklam's Inverse Normal Compared to AS241.xls | 13824 |
| StatLitE.doc | 56320 |
| CHI2CDF.8xp | 143 |
| CHI2PDF.8xp | 127 |
| ERF.8xp | 1271 |
| ERFSUB.8xp | 1215 |
| FCDF.8xp | 163 |
| FPDF.8xp | 146 |
| INVNORM.8xp | 1370 |
| NORMCDF.8xp | 228 |
| NORMINV.8xp | 1370 |
| NORMPDF.8xp | 164 |
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