CALCULATOR
sa ABACUS
sa CALCULATOR SOFTWARE
sa COMPUTER
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xx MATHEMATICS
How to interface your computer to a printing calculator output device. Described is the connection of an 8080A processor and a Texas Instrument 5050M printing calculator. BYTE Dec 1978 (v.3#12) pg. 94
Tip: How to use an ordinary electronic calculator to perform hexadecimal addition and subtraction. BYTE Jan 1979 (v.4#1) pg. 165
The power of the HP67 programmable calculator. Part 1. Introduction to learning to use one of the most powerful programmable calculators. BYTE Mar 1979 (v.4#3) pg. 196
The power of the HP67 programmable calculator. Part 2. An example solution of simultaneous equations. BYTE Apr 1979 (v.4#4) pg. 176
Tip: How to use ordinary calculators for adding and subtracting any numbers using number bases 2 through 99. BYTE Apr 1979 (v.4#4) pg. 206
Product review of the HP41C pocket calculator. Includes a benchmark program to calculate the present value of a bond with "periodic coupons" and a "Codebreaker" game program. BYTE Dec 1980 (v.5#12) pg. 244
Magnify your calculator's display. Add a simple multiplexing circuit to your handheld calculator's output so you can use halfinch digital displays. COMPUTERS & ELECTRONICS Feb 1983 (v.21#2) pg. 52
Darkroom calculations. Using a pocket calculator to ease your darkroom tasks. Looks at temperature conversion, volume conversion, dilutions, etc. DARKROOM PHOTOGRAPHY Oct 1987 (v.9#6) pg. 54
Correction DARKROOM PHOTOGRAPHY Nov 1988 (v.10#4) pg. 4
Electronic digital computer can add, subtract, multiply and divide using decimal number input via a telephone dial. Displays answers up to six digits on glowing neon lamps. A complicated and expensive project. ELECTRONICS ILLUSTRATED Nov 1966 (v.9#6) pg. 39
Use a slide rule as a frequency calculator. ELECTRONICS WORLD May 1970 (v.83#5) pg. 53
How to pick and choose your pocket calculator using this buyer's point chart. ELEMENTARY ELECTRONICS NovDec 1974 (v.14#6) pg. 40
Adapt a common electronic pocket calculator to be a timer which counts elapsed seconds, minutes, hours or other programmed intervals. It can also count down to zero from a starting number. The calculator may still be used by unplugging it from the accessory timing circuit. ELEMENTARY ELECTRONICS SepOct 1976 (v.16#5) pg. 43
Handcalculators, powered by batteries, also can be used as a wideband, RF signal source. Use them to check the RF and IF stages of an AM receiver and as a continuity tester for antennas & connecting cables. ELEMENTARY ELECTRONICS MayJun 1977 (v.17#3) pg. 67
Build a wooden stand to convert your pocket calculator into a desk calculator. Dcells installed in the stand can power your calculator for longer periods than the AA cells in the calculator itself. ELEMENTARY ELECTRONICS JulAug 1978 (v.18#4) pg. 57
How to troubleshoot and repair electronic calculators. ELEMENTARY ELECTRONICS JulAug 1980 (v.20#4) pg. 36
Plugin power supply for calculator. Delivers either 3 or 9 volts. Est. cost: $6. ELEMENTARY ELECTRONICS JanFeb 1981 (v.21#1) pg. 46
How to add constant memory to your older pocket calculator. Extend battery life and preserve memory contents by converting older calculator to allow the LED display (only) to be turned off. HANDSON ELECTRONICS Summer 1985 (v.2#5) pg. 48
Selection and repair of "bargain table" electronic items. Tips on troubleshooting electronic calculators, radios, meters, etc. HANDSON ELECTRONICS Jan 1987 (v.4#1) pg. 96
Accessory table for machine tools which require extensive mathematical calculations during use (metal lathe, milling machine, surface grinder, etc). This table has an inexpensive calculator fastened to the top, a note pad, and a pencil. The table is easily attached to the machine when needed. INDUSTRIAL EDUCATION Sep 1979 (v.68#6) pg. 16
A leather case for a portable electronic calculator is designed to hang from the belt of a surveyor. LEATHER CRAFTERS & SADDLERS JOURNAL MayJun 1999 (v.9#3) pg. 54, Insert
How to make use of a mini calculator. MECHANIX ILLUSTRATED #561 Feb 1975 (v.71) pg. 40
Calculators for photographers. Suggested uses for the handheld electronic calculator include metric conversion, darkroom exposure calculations, closeup exposure calculations, etc. PHOTOGRAPHIC Sep 1981 (v.10#5) pg. 75
The handheld calculator may be the best thing that ever happened to the working photographer. How to use it in photographic work. PHOTOMETHODS Jul 1976 (v.19#7) pg. 32
Electronic desk calculator has 128word, 1920bit memory and can add, subtract, multiply, divide and operate on constants. Calculate to 16 digits and display 8 at a time with the display shift key. Est. cost: $180. POPULAR ELECTRONICS [1] Nov 1971 (v.35#5) pg. 27
Build a pocketsize electronic scientific calculator. Features ten digits of mantissa with 2digit exponent and a full range of scientific options, including doublenested parentheses. Est cost: $90. POPULAR ELECTRONICS [1] Jan 1975 (v.7#1) pg. 53
How to add functions to simple hand calculators. If it has the right IC, you can add extra keys (in the form of switches) to the outside of the case to perform functions like constant storage and percent . Only a minor circuit board change is needed. POPULAR ELECTRONICS [1] Sep 1975 (v.8#3) pg. 38
Build the "Senior Scientist" calculator kit. Features combinatorial, statistical, and probability functions, plus ten levels of addressible memory. Est. cost: $115. POPULAR ELECTRONICS [1] Oct 1975 (v.8#4) pg. 33
Theft alarm for handheld calculator sounds off when the calculator is unplugged from its charger. POPULAR ELECTRONICS [1] Mar 1976 (v.9#3) pg. 42
Selecting and using programmable calculators. POPULAR ELECTRONICS [1] May 1976 (v.9#5) pg. 29
Build a scientific calculator using a kit with 72step storage capacity. Has 5levels of nested parentheses and 10 level memory register. Est. cost: $65. POPULAR ELECTRONICS [1] May 1976 (v.9#5) pg. 36
Correction POPULAR ELECTRONICS [1] Aug 1976 (v.10#2) pg. 6
How to use the HewlettPackard HP45 calculator as a stopwatch or elapsedtime indicator. POPULAR ELECTRONICS [1] Jun 1976 (v.9#6) pg. 67
Learning electronic theory with hand calculators. Part 3. RC coupling, basic amplifier calculations and RLC relationships. POPULAR ELECTRONICS [1] Sep 1976 (v.10#3) pg. 70
How to convert a "fourbanger" calculator for stopwatch functions. POPULAR ELECTRONICS [1] Aug 1977 (v.12#2) pg. 56
Correction POPULAR ELECTRONICS [1] Oct 1977 (v.12#4) pg. 14
Correction POPULAR ELECTRONICS [1] Dec 1977 (v.12#6) pg. 6
Modifying electronic calculators to perform other functions, including: eventcounter, timer, digital controller, etc. POPULAR ELECTRONICS [1] Dec 1979 (v.16#6) pg. 85
Electronic calculators, how to choose the right one. POPULAR MECHANICS Feb 1973 (v.139#2) pg. 86
Calculators get smaller, smarter and cheaper. Tips on selecting the right one for your needs. POPULAR MECHANICS Dec 1974 (v.142#6) pg. 70
How to choose and use a programmable calculator. POPULAR MECHANICS Sep 1979 (v.152#3) pg. 98
Pocket calculator stand. Built of wood, the calculator is held at a slight angle for better access. The calculator is locked into the stand and the stand is locked to your desk, thus reducing the chance of theft or borrowing. POPULAR MECHANICS Jul 1980 (v.154#1) pg. 95
A portable electronic calculator in the gadget bag of a photographer can assist in making many of the needed calculations for good picture taking. Typical problems and solutions shown. POPULAR PHOTOGRAPHY May 1976 (v.78#5) pg. 100
Those incredible new scientific calculators. A review of what is available and what calculations they perform. POPULAR SCIENCE Apr 1974 (v.204#4) pg. 124
How to use an inexpensive mini calculator to count, square and cube, use reciprocals. Tricks for expanding the operating range of a pocket calculator. POPULAR SCIENCE Dec 1974 (v.205#6) pg. 96
Popular Science readers share their calculator shortcuts. POPULAR SCIENCE Jun 1975 (v.206#6) pg. 102
How to have fun with your pocket calculator. POPULAR SCIENCE Feb 1976 (v.208#2) pg. 90
The programmable calculator can find many interesting applications in electronics. Some tips. RADIOELECTRONICS Sep 1979 (v.50#9) pg. 76
Convert your old calculator into a (1) digital capacitance meter, (2) digital ohmmeter, (3) digital stopwatch, (4) shutterspeed tester, (5), tachometer, (6) light meter, or (7) speedometer. RADIOELECTRONICS Mar 1982 (v.53#3) pg. 70
Neon glow lamps provide the readout for this desktop calculator that can be programmed to multiply, add and subtract. Est. cost: $14. RADIOTV EXPERIMENTER #789 JunJul 1966 (v.20#3) pg. 49
How to select a programmable calculator. SPEAKER BUILDER 1/1983 [Jun 1983] (v.4#1) pg. 24
Protect a pocket calculator from dust, liquids, etc. by placing inside a clear, resealable sandwich bag. No need to remove for use. WOOD MAGAZINE #36 Aug 1990 (v.7#4) pg. 19
Wooden stand holds a pocket calculator at a convenient angle for use at a desk. WOODWORKER'S JOURNAL MarApr 1981 (v.5#2) pg. 21
