Texas Instruments Titanium TI-89 User Manual

Activities 772
period (1 = beginning of month, 0 = end of month).
Note: You can use your computer keyboard to type lengthy text and then use
TI Connect™ software to send it to the TI-89 Titanium.
:tvm(temp1,temp2,temp3,temp4,temp5,temp6)
:Func
:Local tempi,tempfunc,tempstr1
:Ltemp3+(1+temp2/1200temp6)temp4((1N(1+temp2/1200)^
(Ltemp1))/(temp2/1200))Ntemp5(1+temp2/1200)^(Ltemp1)
!tempfunc
:For tempi,1,5,1
:"temp"&exact(string(tempi))!tempstr1
:If when(#tempstr1=0,false,false,true) Then
:If tempi=2
:Return approx(nsolve(tempfunc=0,#tempstr1) | #tempstr1>0 and
#tempstr1<100)
:Return approx(nsolve(tempfunc=0,#tempstr1))
:EndIf
:EndFor
:Return "parameter error"
:EndFunc

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)