Quick Start Guide

11-ENG

Ba20eng.doc BA-20 UK English Susan Gullord

Rev: 11/25/02 8:38 AM Pr: 11/25/02 8:43 AM 11 of 12

Error Conditions

An error/overflow condition is indicated by

in the display.

Press

once to clear the error, press

twice or

once to clear the calculator. Do not continue

calculations after you have cleared the overflow condition

by pressing

once.

An error occurs when you attempt to:

Enter data into a cost, sell, or margin calculation using

an incorrect key sequence (page 8).

Enter an integer with more than 10 digits (page 4).

Perform a calculation that results in an overflow more

than 10 digits to the left of the decimal point (page 3).

Add a number to memory 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 Difficulty

Expose the calculator to adequate light.

Review the instructions and repeat the calculation.