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 2000, 2002 Texas Instruments Incorporated 2-ENG
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 2000, 2002 Texas Instruments Incorporated 2-ENG
Quick Reference Guide
Page 3
..., etc. (such as 44'444'444). Calculator Display Memory Indicator Minus Sign Error Indicator You can enter and display 10-digit numbers (with a maximum of 9 digits to an adequate light and press J. E Error condition. 3-ENG Turning the Calculator On and Off To turn the BA-20 on, expose the solar panel to the right of the decimal). Protect your BA-20 from prolonged periods of direct sunlight and high temperatures.
..., etc. (such as 44'444'444). Calculator Display Memory Indicator Minus Sign Error Indicator You can enter and display 10-digit numbers (with a maximum of 9 digits to an adequate light and press J. E Error condition. 3-ENG Turning the Calculator On and Off To turn the BA-20 on, expose the solar panel to the right of the decimal). Protect your BA-20 from prolonged periods of direct sunlight and high temperatures.
Quick Reference Guide
Page 4
... to 10 digits. G Changes the sign of a calculation. Calculations with a decimal point 10 places to correct entry errors. Note: The BA-20 completes arithmetic operations as required. When a calculation result exceeds 9999999999, the first 10 digits are displayed with more than 10 digits to the right of its true position, and E is not affected. 0 - 9 Enters digits 0 through 9. D Displays the result of the displayed number. the memory is displayed. Basic Operations J Clears the calculator and the memory. R Press...
... to 10 digits. G Changes the sign of a calculation. Calculations with a decimal point 10 places to correct entry errors. Note: The BA-20 completes arithmetic operations as required. When a calculation result exceeds 9999999999, the first 10 digits are displayed with more than 10 digits to the right of its true position, and E is not affected. 0 - 9 Enters digits 0 through 9. D Displays the result of the displayed number. the memory is displayed. Basic Operations J Clears the calculator and the memory. R Press...
Quick Reference Guide
Page 5
... 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 13 6 =? 12 B13 C 6 D 26. For addition, subtraction, and division, pressing D repeats the operation and the number that follows it. 2 + 3 = ?; 4 + 3 = ?; 6 + 3 = ? 2 @ 3 D 5. 4 D 7. 6 D 9. 8 - 6 = ?; 3 - 6 = ?; 10 - 6 = ? 8 E 6 D 2. 3 D 3. - 10 D 4. 27 P 3 = ?; 15 P 3 = ?; 24 P 3 = ? 27 C 3 D 9. 15 D 5. 24 D 8. 5-ENG Calculations with a Constant The BA-20 retains the last operation and its...
... 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 13 6 =? 12 B13 C 6 D 26. For addition, subtraction, and division, pressing D repeats the operation and the number that follows it. 2 + 3 = ?; 4 + 3 = ?; 6 + 3 = ? 2 @ 3 D 5. 4 D 7. 6 D 9. 8 - 6 = ?; 3 - 6 = ?; 10 - 6 = ? 8 E 6 D 2. 3 D 3. - 10 D 4. 27 P 3 = ?; 15 P 3 = ?; 24 P 3 = ? 27 C 3 D 9. 15 D 5. 24 D 8. 5-ENG Calculations with a Constant The BA-20 retains the last operation and its...
Quick Reference Guide
Page 6
To find the square root of a number, enter the number and press A. 144 = ? 1 44 A 12. 162 + 33 = ? 16 B D @ 33 D A 17. Note: Attempting to find the square root of a negative number results in an error. 6-ENG For multiplication, pressing D repeats the operation and the number that precedes it. 3 Q 8 = ?; 3 Q 15 = ? ; 3 Q 30 = ? 3 B 8 D 24. 15 D 45. 30 D 90. 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.
To find the square root of a number, enter the number and press A. 144 = ? 1 44 A 12. 162 + 33 = ? 16 B D @ 33 D A 17. Note: Attempting to find the square root of a negative number results in an error. 6-ENG For multiplication, pressing D repeats the operation and the number that precedes it. 3 Q 8 = ?; 3 Q 15 = ? ; 3 Q 30 = ? 3 B 8 D 24. 15 D 45. 30 D 90. 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.
Quick Reference Guide
Page 7
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 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 @ D Discounts: $250 less 5% discount = ? 250 E 5 I -
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 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 @ D Discounts: $250 less 5% discount = ? 250 E 5 I -
Quick Reference Guide
Page 8
... problems: ¦ The column of keys you use is determined by the type of sequence or entered using keys from different columns. 8-ENG The following points should be calculated when the other two are displayed after the last entry has been made. ¦ An error message is displayed if the data is entered out of calculation you in making informed decisions concerning cost, selling price, and profit...
... problems: ¦ The column of keys you use is determined by the type of sequence or entered using keys from different columns. 8-ENG The following points should be calculated when the other two are displayed after the last entry has been made. ¦ An error message is displayed if the data is entered out of calculation you in making informed decisions concerning cost, selling price, and profit...
Quick Reference Guide
Page 9
... an item is $1.25 and the margin is $1.25, find the cost of the item? 1.25 Q 20 K 1. Determine the Cost (CST column keys) If the selling price is 20%, find the margin percentage. 1 S 1.25 Q 20. L Recalls the value in memory to the value in memory. Memory Operations M appears in memory. 9-ENG N Subtracts the displayed value from the value in the display when the memory contains a number other than zero.
... an item is $1.25 and the margin is $1.25, find the cost of the item? 1.25 Q 20 K 1. Determine the Cost (CST column keys) If the selling price is 20%, find the margin percentage. 1 S 1.25 Q 20. L Recalls the value in memory to the value in memory. Memory Operations M appears in memory. 9-ENG N Subtracts the displayed value from the value in the display when the memory contains a number other than zero.
Quick Reference Guide
Page 11
... the calculator to memory that results in the display. An error occurs when you have cleared the overflow condition by E in an overflow more than 10 digits (page 4). ¦ Perform a calculation that would exceed its 10-digit capacity (page 9). ¦ Divide a number by zero. ¦ Find the square root of a negative number. In Case of the decimal point (page 3). ¦ Add a number to adequate light. ¦ Review the instructions...
... the calculator to memory that results in the display. An error occurs when you have cleared the overflow condition by E in an overflow more than 10 digits (page 4). ¦ Perform a calculation that would exceed its 10-digit capacity (page 9). ¦ Divide a number by zero. ¦ Find the square root of a negative number. In Case of the decimal point (page 3). ¦ Add a number to adequate light. ¦ Review the instructions...
Quick Reference Guide
Page 12
.../distributor. 12-ENG All other customers: Refer to the warranty statement enclosed with this product or contact your local Texas Instruments retailer/distributor. TI Support and Service Information For General Information E-mail: Phone: [email protected] 1.800.TI.CARES (1.800.842.2737) For U.S., ... and Virgin Islands only Home Page: education.ti.com For Technical Questions Phone: 1-972-917-8324 For Product (hardware) Service Customers in the U.S., Canada, Mexico, Puerto Rico and Virgin Islands: Always contact Texas Instruments Customer Support before returning a product for...
.../distributor. 12-ENG All other customers: Refer to the warranty statement enclosed with this product or contact your local Texas Instruments retailer/distributor. TI Support and Service Information For General Information E-mail: Phone: [email protected] 1.800.TI.CARES (1.800.842.2737) For U.S., ... and Virgin Islands only Home Page: education.ti.com For Technical Questions Phone: 1-972-917-8324 For Product (hardware) Service Customers in the U.S., Canada, Mexico, Puerto Rico and Virgin Islands: Always contact Texas Instruments Customer Support before returning a product for...