Sonin dt110 Reference Guide

- 3 -

GETTING STARTED

If you are familiar with simple hand-held

calculators, the INCHMATE+ keyboard looks

similar, with one exception: the 6 gray and green

keys are used to enter dimensions of Foot-inch-

Fraction (or fif). Detailed functional definitions

for these and other keys are found on pages 5 -

9. However, the best way to get to know your

INCHMATE+ is to start off by solving a simple

dimensioning Problem.

Turn INCHMATE+ on with the switch located to

the right of the label. The mode indicator in the

upper left corner of the display indicates it's in the

Foot-Inch-Fraction mode.

The blinking "FT" is prompting you to enter the

number of FEET in the first dimension.

Press:   2  and  

  to move to the INCH

field.

The display shows the number of FEET and the

blinking "IN" is prompting you to enter INCHES:

- 4 -

GETTING STARTED

Press:   9   and  

  to move to the

NUMERATOR field.

Now both the FOOT and INCH digits are showing

in the display, and the numerator (upper half) of

the FRACTION is blinking:

Press:   1    1  and   / 16   to complete the

entry.

The first dimension, 2'- 9 11/16", now appears in

the display, just as you would write it. The function

and second dimension are entered in the same

left-to-right order, beginning with the function sign:

Press: 

Answer: 

1

5

7

16

20- 3

'

''

- 5 -

KEY PAD INFORMATION

GENERAL PURPOSE KEYS

on

off

Turns calculator ON and OFF. To save

the battery, calculator will turn off 

automatically after about 5 minutes 

of non use.

• CE

• • C

Pressing this key once clears the 

current entry. Pressing it twice clears

display to "0". Memory register is not

affected.

Stores the value displayed to the 

memory register, where it remains 

until another value is stored. 

"MEMORY" label on the display 

signals a value is in the memory 

register. Values stay in memory even

after calculator is turned off. To clear

memory label store "0" into memory.
Note: The [STO] function is not 

available for Number mode 

calculations.

2nd

FN

RCL

Recalls to the display the value stored

in memory register, without clearing

that value.

to

Enters the numbers 0 thru 9 into the

display.