Texas Instruments TI-86
Datasheet legend
Ab/c:
Fractions calculation
AC: Alternating current BaseN: Number base calculations Card: Magnetic card storage Cmem: Continuous memory Cond: Conditional execution Const: Scientific constants Cplx: Complex number arithmetic DC: Direct current Eqlib: Equation library Exp: Exponential/logarithmic functions Fin: Financial functions Grph: Graphing capability Hyp: Hyperbolic functions Ind: Indirect addressing Intg: Numerical integration Jump: Unconditional jump (GOTO) Lbl: Program labels LCD: Liquid Crystal Display LED: Light-Emitting Diode Li-ion: Lithium-ion rechargeable battery Lreg: Linear regression (2-variable statistics) mA: Milliamperes of current Mtrx: Matrix support NiCd: Nickel-Cadmium rechargeable battery NiMH: Nickel-metal-hydrite rechargeable battery Prnt: Printer RTC: Real-time clock Sdev: Standard deviation (1-variable statistics) Solv: Equation solver Subr: Subroutine call capability Symb: Symbolic computing Tape: Magnetic tape storage Trig: Trigonometric functions Units: Unit conversions VAC: Volts AC VDC: Volts DC |
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Texas Instruments TI-86
The TI-86 is a current member of Texas Instrument's graphic calculator family. With more than the usual amount of memory, a comprehensive set of functions including full support for complex numbers, and the ability to run assembly-language programs, the TI-86 is much liked by its users.
Here is what a program that calculates the Gamma function for any real or complex argument looks like on the TI-86:
:Ans->X :1->Y :While real X<0 :XY->Y :X+1->X :End :e^(ln ((1+76.18009172947/(X+1) -86.50532032942/(X+2)+24.01409824083/(X+3) -1.23173957245/(X+4)+1.208650973866E-3/(X+5) -5.395239384953E-6/(X+6))√(2π)/X) +(X+.5)ln (X+5.5)-X-5.5)/Y