Bosch GSM 1900 User Manual

You can use your mobile phone as an ordinary
calculator.

1. Press  

2. Select  

Calculator

using 

3. Confirm by pressing  

Your telephone now acts as a normal calculator. 
The equal-sign (

) is found on the right hand 

function key.

Hold down the relevant key for one second to get
the desired arithmetic operation. 

By pressing 

you get access to a survey of what

arithmetic operation is placed on what key.

Key

Operation

1

Addition (+)

2

Multiplication (*)

3

Square function (x

2

)

4

Subtraction (-)

5

Division (/)

6

Square root (

√

)

7

Percentage (%)

8

Fractions (1/x)

9

Exponent (E)
M+ or decimal point (press briefly)

0

MC
MR or -/+ (neg./pos.) (press briefly)

5 plus 2
Press 5, hold down 1 for one second, press 2 and
press 

8 divided by 4
Press 8, hold down 5 for one second, press 4 and
press 

Square root of 8
Press 8 and hold down 6 for one second

15 per cent of 60
Press 6, 0, hold down 2 for one second, 
press 1, 5, hold down 7 for one second

-5.2 times 10,000
Press 5, , 

2

, 

, hold down 2 for one second,

press 1, hold down 9 for one second, press 4 and
finally 

As soon as a figure is stored in the memory this
will be indicated on the display by an  

. You can

access the memory by pressing 

or the 

-key

(MR).

The memory is reset each time you switch off
your phone.

User Guide 738/718 GB  29/04/99 9:59  Side 38