Gigantic Savings On Computer Products Calculators HARD DRIVES SEAGATE Internal Hard Disk Subsystems 20 Megabyte ................$349 30 Megabyte 1/2 Height ..........399 Each system includes: " Seagate Drive " Controller " Documentation e 2 Cables " 1 yr limited warranty * For use in IBM PC. XT AT&T. most compatibles 40 MGB Drive (only) for AT ....... 699 80 MGB Drive (only) for AT ....... 999 ARCHIVE XL Tape Backup " 40 MB Capacity * QIC-40 Tape and File Structure Format e Uses standard floppy Interface Mfr Sugg. Ret. $419 $329 H ARI) DRIVE CARDS Plus Development 20/40 MB .. . CALL Western Digital 20 MB .......... $399 Western Digital 30 MB ........... 550 MULTI FUNCTION BOARDS Advantage 128 ...............$249 1/0 Minil11l.....................99 Six pak with 64K ............. 150 Six pak + with 384K ............ 185 Six pak premium with 512K ....... 229 Rampage PC..................239 Rampage 286 ................. 279 Preview I/C ................... 150 GENERIC Multi function Board (clock & calendar 2 ser 1 par) OK .........................89 384K .. ...................159 64K RAM (150 or 200 NS) ........ $135 128K RAM ....................220 Samsung 256K RAM 150 NS . Major 256K 100/120/150 NS ....... 360 256K Static RAM ................700 NEC V-20 or V-30 .............. 1200 Intel 8087 math chip (5MH)........ 110 Intel 80287 math chip (6MH) ..... 155 PRINT BUFFERS PRACTICAL PERIPHERALS 64K parallel or serial............ $129 256K parallel or serial ........... 159 EPSON ... 8 FX 86e $310 Epson's FX-86e is the industry's stan- dard DOT MATRIX PRINTER. Features include 8K buffer, NLQ, 40/240 cps. OTHER EPSON PRINTERS FX 86e (New)200 CPS .......... $310 FX 286e wide carrage (New)...... 439 LX 800 18O CPS ............... 74 EX 800 300 CPS ............... 375 EX 1000 300 CPS .............. 499 LO 800 NLQ (Parallel) ........... 445 LO 1000 NLQ (Parallel)...........549 LO 2500 NLQ 324 CPS ..........875 CR 4201 NLQ 420 CPS.......... 699 Model 1200 HAYES Internal (including software) 12008 1200 Baud ..............279 2400B 2400 Baud ..............429 HAYES External (no software included) 1200 1200 Baud ...............289 2400 2400 Baud ..............439 OTHER MODEMS Hayes compatible Internal (including software) Practical Peripherals 1200B ....... 100 Novation 1200B ................ 125 Generic 24008 ................ 209 External (no software incluied U S Robotics 1200 baud ......... 199 U S Robotics 2400 baud ......... 399 Practical Peripherals 1200 baud .... 125 Practical Peripherals 2400 baud .... 179 Novation 1200 baud ............. 175 VIDEO BOA RDS Hercules Graphics PLUS ........ $175 Generic Hercules compatible ...... 80 Hercules InColor Card ........... 329 Hercules color ................. 155 Generic Hercules color ........... 80 Vega Deluxe .................. 319 Quadram FGA.................330 Generic EGA 1 card ............ 139 Quadram Prosync .............. 369 Paradise EGA 480 .............. 279 Paradise EGA 350 .............. 219 Paradise Hires .................. 90 0di dill IP 5.5 oz. $55 Mfr. Sugg. Ret. $79.95 CM-100 Computer Math ..... $18 FX-115 Scientific .......... $16 FX-3600P Scientific ........ $20 FX-4000P Scientific ........ $31 FX-451 Scientific .......... $21 FX-8000G Graphic Scientific .. $79 FX-8100 Scientific ......... $30 It can analyze sales data or formulas with graphic clarity. It can plot trends, analyze data characteristics and graphi- cally compare values. " 193 functions " 10 digit mantissa & 2 digit exponent e Text-16 columns x 8 lines (128 characters) Graphics- 96 x 64 dots " 422 steps; 26 memories: 6 steps; 78 memo- ries " Graphic functions (Graph composition, trace, plot, line, enlargement/reduction, coordinate range designa- tion, overwrite) " Perfect entry system * Check-back replay function * Regression analysis * Base conver- sions/calculations, logical operations * 120 hours on three lithium batteries e "Computing with the Scien- tific Calculator" included * 1/2"H x 31/2"W x 65/8"D, CASIO FX-7000G Graphic Computer SHARP EL-5400 Scientific Computer I I E3 aoao "o amaoogep 000lftilb't " 16-digit dot matrix display * 38 preprogrammed scientific functions " 1-variable statistical calculation EL-5500111 " 24-digit dot matrix display " Up to 15. levels of parentheses " 2-variable statistical calculations " Instant BASIC keys for simple programming EL-506A Scientific ......... $15 EL-512T Scientific ......... .$26 EL-5150 Scientific ......... .$54 e Up to 15 levels of parentheses and 8 levels of pending operations * 611/16"(W) x 3/8"(H) x 227/32"(D) " Instant BASIC command keys " 2K-byte RAM " Preprogrammed scientific functions * 18 separate program addresses " Direct Answer Mechanism " Last Answer function Mfr. Sugg. Ret. $87.95 $35 " 8K-bytes RAM " 18 separate program addresses * Direct Answer Mechanism " Last Answer Function - Mfr. Sugg. Ret. $99.95 $70 EL-515S Scientific ......... .$16 EL-733 Financial .......... $25 EL-6120 Black Book........ $35 (*Packed in flip n' file) \ (**'unformatted) *$ ~ 3 31" SSDD 14.00 13.00 13.00' 12.00 31" DSDD 18.00 20.00 20.00 16.00 51/" SSDD 8.00 8.00 8.50 7.00 5%" DSDD 10.00 10.00 10.00 8.00 5%" DSDD96TPI 12.00 20.00 20.00 10.00 51/4" DSDDHD (for IBM AT 12.50 20.00 20.00 17.00 8" SSDD" 19.00 20.00 20.00 - 8" DSDD* 23.00 23.00 23.00 - TI-95 *Built-in scientific functions including permutations, combinations, least com- mon multiple, prime factors, random number generation, metric conver- sions, hyperbolic trigs and cubic- and INSR1y MNTS quadratic-equation evaluation * Introduces "windows" to * Redefinable function keys programmable-calculators! * AOSTM algebraic operating system * 200-plus functions, menu-oriented * Users guide, programming guide, " 8K RAM expandable to 16K carry case * Up to 900 data registers or 7200 " Constant memory, 3.75" x 8" x 1" program steps Mfr. Sugg. Ret. $200 $139 TI-74 BasicalTM * 70 functions-and a BASIC program- " Includes user's guide and BASIC mable calculator, with 113 commands programming reference guide * AOSTM algebraic operating system * Constant memory; 4.2" x 8.3" x 1.3" " 8K bytes of built-in RAM, plus Mfr. Sugg. Ret. $135 $94 optional 8K * Display shows up to 31 alpha- TI-8K Memory Cartridge ..... $34 numeric characters TI-PC 324 Printer ......... .$69 * Adjustable contrast TI-CI-7 Cassette Interface .... $22 0 ELE K TEK 6557 North Lincoln Avenue, Chicago, Illinois 60645 312-677-7660 Call Toll Free 800-621-1269-Except Illinois, Alaska * Canadian Toll Free 800-458-9133 Corp. Accts. Invited. Min. Ord. $15.00. Visa or MasterCard by Mail or Phone. Mail Cashier's Check, Mon. Ord., Personal Check Add $4.00 1st item. (AK, HI, P.R., Canada add $10.00 first item) $1.00 ea. add'I shpg. & handl. Shipments to IL address add 7% tax. Prices subj. to change. WRITE for free catalog. RETURN POLICY: Defectives Only: Most products replaced within 30 days of purchase with identical merchandise only. Computer and large peripherals replaced only when defective on arrival (within 3 work days of delivery). Other problems covered by mfr. warranty. ALL ELEK-TEK MERCHANDISE IS BRAND NEW, FIRST QUALITY AND COMPLETE. Delivery subject to availability. DUNS #09-718-0517