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- Radio Shack
- Calculator
- 65-789
- Owner's Manual
Radio Shack 65-789 Owner's Manual
Summary of 65-789
Page 1
Owner’s manual please read before using this equipment. 12-di g it 2-color printin g calculator with lcd display.
Page 2
1 contents features .................................................................................................................................. 2 a quick look at your calculator .......................................................................................... 2 preparation .............
Page 3: Features
2 features features your radioshack 12-digit 2-color printing calculator is full-featured and easy to use. The calculator lets you make many different calculations including simple addition, per- centages, discounts, and much more. You can use the print function to print out a per- manent record for...
Page 4: Preparation
3 preparation preparation connecting power you can power your calculator with either four aa batteries (not supplied) or an exter- nal ac adapter (not supplied). If you plan to use the print function frequently, we suggest you use an ac adapter. Installing batteries to run on internal battery power,...
Page 5: Operation
4 operation 1. Lift up the paper roll holder and push it back as far as it will go. 2. Set off/on to on then insert the end of the supplied paper roll firmly into the slot. Be sure the paper feeds from underneath the paper roll. 3. While holding the end of the paper in place, hold down until the pap...
Page 6
5 operation selecting a floating or fixed decimal point the decimal switch ( a/0/2/3/4/f ) determines how many digits the calculator places after the decimal point. When you select a (automatic), the calcula- tor automatically inserts a decimal point be- fore the last two digits as you enter numbers...
Page 7
6 operation correcting errors correcting entered digits press → to delete the last digit you entered. Repeatedly press → to delete all digits from the display (so 0 reappears). Correcting entry errors if you enter an incorrect value, press ce (clear entry) once. Then enter the correct value and proc...
Page 8
7 operation example: 485 + 485 + 485 + 485 + 485 – 45 – 45 – 45 = 2,290 switch setup: p, f, ic+ multiplication and division example: 123 × 456 ÷ 789 = 71.08745247 switch setup: p, f, ic+ constant multiplication and division for multiplication, the last value you enter before pressing × is the consta...
Page 9
8 operation exponential calculation example: 3 5 = 243 switch setup: p, f, ic+ reciprocal calculation example: 259.1 ÷ (9.16 + 10.3) = 13.31 switch setup: p, 2, ic+ percentage calculation example: 300 × 3% = 9 300 × 5% = 15 switch setup: p, 0, ic+ add-on calculation example: 12% added on to 1,230 is...
Page 10
9 operation using Σ Σ lets you add the operation result to the ad- dition and subtraction registers. Switch setup: p, f, Σ using gt (grand total) the grand total key lets you perform cash register calculations simply and quickly. Ev- ery time you press /t , the displayed num- ber is memorized and gt...
Page 11
10 operation ((price - cost) ÷ price) × 100 = gross profit margin (gpm) example 1: if an item costs you $100, how much should you sell the item for to make a 20% profit? Switch setup: p, f, ic+ example 2: what is the selling price and loss of a $100 item to be sold at a 20% loss rate? Switch setup: ...
Page 12: Care
11 care tax calculations to set up a tax rate, slide np/p/tax set to tax set and enter the tax rate then slide np/ p/tax set to p . Example: calculate the pre-tax value of $100, which includes 7% tax. Switch setup: p, f, ic+ switch setup: p, f, ic+ note: disconnecting the ac power or turning off the...
Page 13: Specifications
65-789 04a01 printed in china radioshack corporation fort worth, texas 76102 specifications power input ................................................................................................................................ 6v, 400 ma (4 aa batteries or ac adapter) battery life ...............