NexxTech 6500542 manual ˆ a Look at Your Calculator

Backspace Key — deletes the last number entered.

Mark-Up Key — helps you easily de- termine cost, final price, and profit margin.

%Key — simplifies calculation of per- centages.

Four Function Memory — lets you add to, subtract from, recall subtotals

in, and clear all numbers from memo- ry.

Automatic Shut-Off — conserves battery power by automatically turn- ing off your calculator about 8–10 minutes after the last entry.

Grand Total Key — makes compli- cated calculations easier.

Square Root Key — lets you quickly compute the square root of a number.

ˆA Look at Your Calculator

5/4 — lets you select how calcu- lation results are rounded (see “Rounding” on Page 5).

MU (Mark-Up) — lets you calculate selling prices and profit margins (see “Mark-Up Calculations” on Page 8).

— deletes the last digit entered (see “Using the Special Function Keys” on Page 4).

GT (Grand Total)

—provides the sum of all memo- rized numbers (see “Grand To- tal” on Page 7).

F 0 2 3 4 A — lets you select how many digits ap- pear after the deci- mal (see “Setting the Number of Decimal Places” on Page 5).

Memory Keys — let you save, add to, and subtract from numbers in memory (see “Memory Calcula- tions” on Page 8).

+/– — lets you change a number to positive or nega- tive (see “Using the Special Func- tion Keys” on Page 4).

A Look at Your Calculator 3