In English
ISBN: 0-918398-27-4 (Fennica) (HelMet) (Kirjastot.fi) (Library of Congress) LCCN: 79-56399 (Library of Congress) Radio Shack Cat. No. 62-2064	Publisher: dilithium Press 1979

32 BASIC PROGRAMS FOR THE TRS-80 (LEVEL II) COMPUTER is precisely that...32 fully documented programs that are ready-to-run on your TRS-80 computer. You also have the option of making a number of changes, as suggested, to these programs if you wish.

This book is absolute must for the TRS-80 owner.

Table of Contents

How to Use This Book	xi
Section 1 - APPLICATIONS PROGRAMS
Practical uses at home or work.
BIORYTHM	3
Can you predict your good and bad days?
CHECKBOOK	11
Balance your checkbook.
DECIDE	21
Choose the best decision from your list of alternatives.
LOAN	33
Calculate payments and interest for mortages, car loans, etc.
MILEAGE	41
Analyze your car's gasoline usage.
QUEST/EXAM	49
Determine the results of questionnaires and examinations.
Section 2 - EDUCATIONAL PROGRAMS
To help yourself or others to learn.
ARITHMETIC	61
Math drills for school-aged children.
FLASHCARD	69
Create your own flascards, then practice.
METRIC	79
Learn the metric system.
NUMBERS	87
Help pre-school children to learn numbers.
TACHIST	93
Increase your reading speed with this tachistoscope.
VOCAB	101
Expand your vocabulary.
Section 3 - GAME PROGRAMS
Match wits with the computer or a friend.
DECODE	111
Figure out the computer's secret code.
GROAN	119
This dice game will make you do just that.
JOT	127
Challenge the computer to this word and logic game.
OBSTACLE	137
Play a friend at this arcarde-like game.
ROADRACE	145
Try to keep the car on the road.
WARI	153
Attempt to beat the computer on this ancient African skill game.
Section 4 - GRAPHICS DISPLAY PROGRAMS
Dazzling visual diversions.
KALEIDO	165
A kaleidoscope with eight point symmetry.
SPARKLE	169
Hypnotic sparkling patterns.
SQUARES	173
Overlaying concentric squares.
WALLOONS	177
A classic from the TRS-80 Theatre.
Section 5 - MATHEMATICS PROGRAMS
For math, engineering, and statistical uses.
CURVE	185
Perform least-squares curve fitting.
DIFFEQN	195
Solve ordinary differential equations.
GRAPH	205
Display simple graph of a function.
INTEGRATE	213
Determine the area under a curve.
SIMEQN	221
Solve simultaneous linear equations.
STATS	227
Performa standard "statistics of population" calculations.
Section 6 - MISCELLANEOUS PROGRAMS
Short programs that do interesting things.
BIRTHDAY	243
What are the odds of identical birthdays in a group of people?
PI	247
Calculate an approximation of pi.
POWERS	253
Calculate powers of integers - up to 250 digits long.
PYTHAG	259
Generate Pythagorean triplets (a²+b²=c²).
Appendix 1 - MEMORY USAGE	263
Bibliography	265