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 4
... entry errors. G Changes the sign of a calculation. Note: The BA-20 completes arithmetic operations as required. Accuracy and Rounding Information Calculations are accurate to clear the calculator; Basic Operations J Clears the calculator and the memory. Pressing R before @, E, B, or C clears the display without affecting calculations. Press R twice to the tenth digit. When a calculation result exceeds 9999999999, the first 10 digits...
... entry errors. G Changes the sign of a calculation. Note: The BA-20 completes arithmetic operations as required. Accuracy and Rounding Information Calculations are accurate to clear the calculator; Basic Operations J Clears the calculator and the memory. Pressing R before @, E, B, or C clears the display without affecting calculations. Press R twice to the tenth digit. When a calculation result exceeds 9999999999, the first 10 digits...