| Editor Ramblings | Report from the Consumer Electronic Show in Chicago. Sinclair dropped price of ZX81 to $99; showed ZX Spectrum. Timex displayed the TS 1000. | Sinclair ZX Spectrum |
| The Computer Tutor: Converting String Variables to Numeric Variables and Back Again | This month’s lesson involves searching for a solution to a shortcoming of the ZX-81 computer. The ZX-81 only allows 26 string variables from the letters A$ to Z$. What does the man in the back row ask? What is a string variable? Shame, shame, chapter 7, page 32 in the owner’s manual. | Sinclair ZX81, Timex/Sinclair 1000, Type-in program |
| The Incredible Cipher Machine | Documentation for program to create and decode messages by substituting two numbers for every character in the message. | Sinclair ZX81, Timex/Sinclair 1000 |
| This Month's Cassette Programs | 1K: Alien-Base, Clock, Mortgage-1, Marquee-1. 16K: Marquee-2, Cipher, Scrambled Words, Mortgage-2 | Sinclair ZX81, Timex/Sinclair 1000 |
| User's Groups | CHICAGO, IL L.P. Weigel, [phone number omitted]C.A.C.H.E. INC. Z80/Sinclair ZX S.I.G. Box C-176 323 S. Franklin, #804 Chicago, IL, 60606 DENVER, CO Cap Hamilton 767 S. Gaylord St. Denver, CO, 80209 FORT WAYNE, IND Robert Carroll Sinclair Midwest User’s Group PO BOX 13042 Fort Wayne, IN, 46866 HOUSTON, TX Fayne Sisco IDAHO FALLS, ID Wil | |
