Texas Instruments TI-89 Tip List page 506

pid() Calculator product ID
plotdemo() Plot data and functions simultaneously
plotintg() Fast integral function plot
plotinui() Fast integral function plot; user interface
plotxy() Fast function plot
pnttrian() Determine if a point is inside a triangle
polar() Convert polar vector to rectangular
polyc() Extract polynomial coefficients from expression
polyroot() Polynomial roots with Laguerre's method
prooti() Polynomial roots, coefficient inversion
proots() Polynomial roots with eigenvalue method
proot_t1() Polynomial root sign test
quadint() Quadratic interpolation
quadrtic() Quadratic equation; accurate solution with large coefficients
quartic() Exact solution to quartic polynomial
r2coef() Find coefficient of determination for all regression equations
r2coefdf() r2coef() with degree-of-freedom correction
randlist() List of random unique integers
rclexpr() Recall expression without variable value substitution
rect() Convert rectangular vector to polar
req2var() Get two variables from one dialog box Request
req3var() Get three variables from one dialog box Request
right1() Return string or list right elements based on position limits
rms() RMS statistic for list or matrix
rq2v() Convert "a,b" to {a,b}
rq3v() Convert "a,b,c" to {a,b,c}
ruler() On-screen ruler and protractor
savage() Savage floating-point benchmark, C version
savage2() Savage floating-point benchmark, TI Basic version
scatterf() Random scatter plot of function
sgn() Sign function, compatible with other programming languages
si() Sine integral function
sigdig() Round number to significant digits
simulti() Simultaneous equation solution with improved accuracy
solvebug() Demonstrate nsolve() Questionable Accuracy message
solvemul() Solve multiple equations in a program
spli4de() 4th-order splice; derivatives
spli4in() 4th-order splice; integrals
spli4inv() 4th-order splice; inverse function
spli4ui() 4th-order splice; user interface
spli4x() 4th-order splice; inverse function at a point
splice4() 4ht-order splice; find splice function coefficients
stddevp() Standard deviation, population (not sample)
stddevpf() Standard deviation, population, with frequencies
stoexact() Convert floating-point number to exact fraction
str2var() Convert 2-element string "x,y" to list {x,y}
strcompr() Compare 2 strings; return character code differences
strsub() String substitution
svd() Singular value decomposition of matrix
TI Basic Demo template to add TI Basic extension to SDK flash app
Extension
Template.c
tohome() Copy expression to home screen (Timite Hassan)
tooltab() Custom toolbar menu with key traps; demo
transpos() Transpose rank-3 array
truth() Truth plot
[7.14]
[4.4]
[4.10]
[4.10]
[4.9]
[6.45]
[6.25]
[6.61]
[6.61]
[6.61]
[6.61]
[6.61]
[6.31]
[6.32]
[6.10]
[6.13]
[6.13]
[3.14]
[7.40]
[6.25]
[9.12]
[9.12]
[8.7]
[6.14]
[9.12]
[9.12]
[1.16]
[6.50]
[6.50]
[4.12]
[7.30]
[6.33]
[6.5]
[6.3]
[11.9]
[11.4]
[6.56]
[6.56]
[6.56]
[6.56]
[6.56]
[6.56]
[6.42]
[6.42]
[6.9]
[6.31]
[5.8]
[8.2]
[3.30]
[12.3
[7.8]
[7.46]
[3.16]
[4.3]
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