Computers
Companies
- Timex Computer Corporation
  Timex brought the Timex Sinclair 1000, 1500 and 2068 to eager users in the early 1980s.
- Timex (TMX) Portugal
  The Timex facility in Portugal designed and produced computers, disk drive systems and more.
- Sinclair Research Ltd.
  Sinclair produced the first home computer available for under $200 and continued to develop innovative, unique home computers.
- All Companies
  All the companies that supported the Sinclair and Timex/Sinclair users in the United States.
Products
- Hardware
  Physical expansions to the Timex/Sinclair computers, including disk drives, modems, printers, RAM and more.
- Software
  Applications that run on the Timex/Sinclair computers, spanning from art and entertainment to business to games to home maintenance.
- Accessories & Miscellaneous
  Add-ons or products that don't strictly fall in the hardware or software category.
Publications
- Books
  All the books, commercial and small press, published about the Timex/Sinclair computers.
- Periodicals
  Find all the periodicals and articles about Timex/Sinclair computers, community and more here.
- Documents
  Manuals, press releases, and other documents.
Community
- People
  Learn about the people who made up the Timex/Sinclair community.
- User Groups
  User groups were a popular way to meet and network with other users.
- Events
  The community organized a number of events over the years.
Blog
About
- What’s New?
  Recent updates to the website.
- How You Can Help
  Do you have materials we haven't archived? Want to help the project?
- Shop
  Find add-ons for your Timex/Sinclair computer, new software, accessories, books, t-shirts and more.
- Contact Us
- Privacy Policy
Search

Stephen Zachev

4859 Elmwood St., Muskegon, MI 49441

Products

Two programs to approximate the area under a curve to either the x or y axis using Simpson’s rule and the trapezoidal rule. Plug in your equation along with two constraints. 2K.

TS 1000

Arithmetic and Geometric Progressions

Computes the value and sum of a specified number of terms with a common difference or ratio, starting with the first user-defined term. 2K.

TS 1000

Lunar Cycle

Approximation for determining the lunar phase for any day this century; accuracy usually within 1 day; rarely over 3 days. 2K.

TS 1000

Permutations and Combinations

Orders up to 33 items in one group. 2K.

TS 1000

The Matrix Package

Four separate topics of matrix multiplication, addition, subtraction, and transformation of user-defined matrices. 2K.

TS 1000

Articles

Resources (Sync v2 n6)TS 1000
Listing of new user groups, books and other resources.
Resources (Sync v3 n2)
Listing of new user groups, books and other resources.
Resources (Sync v4 n2)
Listing of new user groups, books and other resources.
Unit PricerTS 1000 Type-in program
Program calculates the unit price of two similar products.

Tags

Company, Michigan, Stephen Zachev

People

No people associated with this content.

})()