# Texas TI-59

## Features

- Four types of display testing with an independent test or "t" register
- Ten additional test registers: Loop - Increment - Decrement
- Up to ten user flags available: Set - Reset - Test
- 72 useful labels
- Six levels of subroutines
- Program Steps: Absolute, Indirect, Label, Data Memories: Direct, Indirect
- Insert, Delete, Single step, Back-step, No Operation
- Ten user defined label keys
- Nine sets of parentheses for up to 8 pending operations
- Over 175 functions and operations in sciences and statistics
- AOS
^{TM}algebraic operating system allows easy, straightforward problem-solving. - Up to 9 sets of parentheses (allowing up to 8 pending operations in your machine) provide extended problem-solving capability.

## Program manual BA1 - Basic library

**Table of Contents**

**BA1-01. CONVERSIONS (1)**

Calculates length conversions.**BA1-02. CONVERSIONS (2)**

Calculates volume, weight, and temperature conversions.**BA1-O3. SOLUTION OF OUADRATIC EQUATION**

Solves for real and complex roots of basic quadratic equation.**BA1-04. HYPERBOLIC FUNCTIONS**

Calculates all six hyperbolic functions and their inverse functions.**BA1-05. PRIME FACTORS OF AN INTEGER**

Determines all prime factors of an integer.**BA1-06. COMPLEX ARITHMETIC**

Performs all arithmetic functions for two complex numbers.**BA1-07. RECONCILE CHECKING ACCOUNT**

Designed to aid in reconciling chequebook entries with bank statement.**BA1-08. COMPOUND INTEREST**

Solves for any single variable in Classical compound interest equation.**BA1-09-1. ORDINARY ANNUITY (1)**

Computes any variable in annuity equation when interest rate is known.**BA1-09-2. ORDINARY ANNUITY (2)**

Used to solve for interest rate when other variables are known.**BA1-10. TREND LINE ANALYSIS**

Determines linear least-squares fit of data points (x,y) where y is any value and x is integrally incremented beginning with 1.**BA1-11. PERMUTATIONS AND COMBINATIONS**

Calculates permutation and combination for a given n and r.**BA1-12-1,2. STATISTICAL MEANS AND MOMENTS (1)(2)**

The arithmetic, geometric, harmonic, and generalized means, the first four moments, and the kurtosis and skewness of distribution are calculated for grouped or ungrouped data.**BA1-13. RANDOM NUMBER GENERATOR**

Uniformly distributed and normally distributed random numbers are generated.**BA1-14. HIGH PASS ACTIVE FILTER**

Determines component values for high pass active filter.**BA1-15. LOW PASS ACTIVE FILTER**

Determines component values for low pass active filter.**BA1-16. DEAD RECKONING**

Calculates ship's dead reckoning position given ship’s last fix and the speed, course, and time interval from last position.**BA1-17. LUNAR LANDING GAME**

Simulates a spacecraft approaching the lunar surface with you at the controls.**BA1-18. DIAGNOSTIC 1**

Checks for proper operation of calculator using five separate subroutines.**BA1-19. DIAGNOSTIC 2**

Further checks proper operation of calculator with five additional subroutines.**BA1-20. DIAGNOSTIC 3**

Determines proper operation of magnetic card unit.

See our page on the internal accuracy of the calculators