# Calculation examples, Square root, Percent – NexxTech 6500542 User Manual

## Page 6: Grand total, Mu (mark-up) — lets you calc 6

Operation

For example, if

E

923.476988618.

appears,

923,476,988,618,000. If

E

31.9703468367

appears, the

31,970,346,836,700.

CALCULATION

EXAMPLES

tion, subtraction, multiplication, and
division) with this calculator as you
would with most other algebraic cal-
culators. The following sections in-
calculations.

Note: For the calculation examples,

F

0 2 3 4 A

is set to

F

and the

5/4

switch is set to

5/4

.

Square Root

Example: What is the square root of
64?

You Press

You See

64

8

Percent

Example: What is 6% of 48?

You Press

You See

48

×

6%

2.88

Grand Total

GT

(grand total) lets you perform cash

register calculations simply and
quickly. Every time you press

=

, the

displayed number is memorized and

GT

appears. Press

GT

to display the

sum of all memorized numbers. Press

GT

again to clear

GT

from the display,

or press

ON/AC

to clear the display.

Example 1: Calculate A + B + C
where:

A = 6 × 7

B = 5 + 4

C = 22 – 5

You Press

You See

6 × 7 =

GT 42.

5 + 4 =

GT 9.

22 – 5 =

GT 17.

GT

GT 68.

Example 2: Calculate the total price
and tax for the following.

Nine items at \$5.49 each.

Five items at \$3.29 each.

Four items at \$1.99 each.