Texas Instruments BA-20 - Profit Manager Desktop Calculator Support and Manuals
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Popular Texas Instruments BA-20 Manual Pages
Quick Reference Guide - Page 2
The BA.20 Profit Manageré
Turning the Calculator On and Off 3 Calculator Display 3 Accuracy and Rounding Information 4 Basic Operations 4 Calculations with a Constant 5 Squares and Square Roots 6 Percent Calculations 7 Cost, Sell, and Margin 8 Memory Operations 9 Error Conditions 11 In Case of Difficulty 11 TI Support and Service Information 12 Service and Warranty Information 12...
Quick Reference Guide - Page 3
... in memory.
. Turning the Calculator On and Off
To turn the BA-20 on, expose the solar panel to the right of direct sunlight and high temperatures. M
Number other than 0 is stored in the display is no longer exposed to the light.
E
Error condition.
3-ENG Calculator Display
Memory Indicator Minus Sign Error Indicator
You can enter...
Quick Reference Guide - Page 4
... and the memory. the memory is displayed.
Note: The BA-20 completes arithmetic operations as required.
Pressing R before @, E, B, or C clears the display without affecting calculations.
G Changes the sign of a calculation. Pressing R immediately after @, E, B, or C clears the calculation. D
Displays the result of the displayed number.
Accuracy and Rounding Information...
Quick Reference Guide - Page 5
Calculations with a Constant
The BA-20 retains the last operation and its associated number. For addition, subtraction, and division, pressing D repeats the ...3 = ?; 15 P 3 = ?; 24 P 3 = ?
27 C 3 D
9.
15 D
5.
24 D
8.
5-ENG This allows you to repeat calculations by entering only the new number and pressing D.
Examples
7.921 + 1.6 - 12.321 = ?
7.921 @ 1.6 E 12.321 D
2.8 -
12 Q ...
Quick Reference Guide - Page 6
Note: Attempting to find the square root of a negative number results in an error.
6-ENG Squares and Square Roots
To square a number, enter the number and press B D.
2.52 = ?
2.5 B D
6.25
(1.6 x 2.5)2 = ?
1.6 B 2.5 B D
16. For multiplication, pressing D repeats the operation and the number ...
Quick Reference Guide - Page 7
or - 250 B 5 F @ D Discounts: $250 less 5% discount = ? 250 E 5 I - Percent Calculations
Percentages: 5% of $1,500? 600 C 1500 F Combinations: $129 less 25% discount plus 5% markup = ? 250 @ 5 F - or - 250 B 5 F E D Ratios: $600 is what percent of $250 = ? 250 B 5 F Add-ons: $250 plus 4% tax = ? 129 E 25 F @ 4 F
12.5 262.5 12.5 262.5 237.5 12.5 237.5
40.
100.62
7-ENG
Quick Reference Guide - Page 8
CST SEL MAR SEL CST CST
MAR MAR SEL
Using the keys in making informed decisions concerning cost, selling price, and profit margin. Cost, Sell, and Margin
The BA-20 assists you want to make.
¦ Within each column, two keys identify the data required for that calculation.
¦ Data for the top key must be...
Quick Reference Guide - Page 9
...Selling Price (SEL column keys) If the cost of an item is $1.00 and the margin is 20%, find the selling price.
1 S 20 K
1.25
Determine the Margin (MAR column keys) If the cost of an item is $1.00 ...is $1.25 and the margin is $1.25, find the cost of the item?
1.25 Q 20 K
1. L L Clears memory.
Memory Operations
M appears in memory.
9-ENG Determine the Cost (CST column keys) If the...
Quick Reference Guide - Page 11
.... Error Conditions
An error/overflow condition is indicated by pressing R once. An error occurs when you have cleared the overflow condition by E in an overflow more
than 10 digits to the left of a negative number.
Press R once to clear the error, press R twice or J once to adequate light. ¦ Review the instructions and repeat the calculation...
Quick Reference Guide - Page 12
... information about the length and terms of the warranty or about product service, refer to the leaflet enclosed with this product (hardware) or contact your local Texas Instruments retailer/distributor.
12-ENG TI Support and Service Information
For General Information
E-mail: Phone:
ti-cares@ti.com
1.800.TI.CARES (1.800.842.2737)
For U.S., Canada, Mexico, Puerto Rico, and Virgin...
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