background image

 

  

 
 

22

 

Engineering:

 Numbers will always be presented with an exponentiation of 

base 10 and that exponentiation is shown as a multiple of 3. That is because 
of the technical units prefix representation is in steps of 10 to the power of 3: 
 

Prefix Abbreviation  Value 

Exponential 

Representation 

kilo k 

000 

10

3

 

mega M 

000 

000 

10

6

 

giga 

1 000 000 000 

10

9

 

milli m 

0.001 

10

-3

 

micro 

µ

 

0.000 001 

10

-6

 

nano n 

0.000 

000 

001  10

-9

 

 

You can also change the display mode settings through the division key in level 2 
(top left in 3 x 3 group and than top right in 4 x 4 group). 
 

7.2.5:  Angular Dimensions 

With this menu item the unit for calculations with trigonometric functions can be 
selected.There are the following options: 

 

Degree:

 this is the most common type. The full circle has got a radius of 360°. 

Display: DEG (english degree = german Grad) 

 

Radian:

 the radian is a unit of plane angle, equals to 180/Pi. Often used in the 

technical area. A full circle conforms to 2 Pi rad. Display: RAD 

 

Grad:

 the grad is a unit of plane angle, equivalent to 1/400 of a full circle. 

Display: GRAD (english grad = german Gon) 

 

7.2.6:  Clock: Setting of Time, Date and Alarm 

In the submenu clock you can setup the actual time, the date and an alarm. 

 

Alarm Clock: 

Platon XL offers one alarm and up to 10 different jingles. To set 

the alarm, select the menu function as described above. Realize the 
necessary settings (hour, minutes and jingle) by shortly pressing the left or 
right key of row 2 in the 3 x 3 group and confirm each setting by shortly 
pressing the menu key again. 

 

Time:

 To set the correct time, select the menu function. Realize the necessary 

settings (hour and minutes) by shortly pressing the left or right key of row 2 in 
the 3 x 3 group and confirm each setting by shortly pressing the menu key 
again.  

 

Date:

 To set the correct date, select the menu function. Realize the necessary 

settings (year, month, day) by shortly pressing the left or right key of row 2 in 
the 3 x 3 group and confirm each setting by shortly pressing the menu key 
again.  

 
To hear the time, press the ‘to the power of’-key in level 2 (3 x 3 group in row 1, top 
left and than the left key in row 2), To hear the date, press the root-key in level 2 (3 

Summary of Contents for PLATON XL

Page 1: ...User Manual ___________________________________________________________________________________________ Platon XL Scientific Calculator for Visually Impaired People...

Page 2: ...nd Date page 10 4 2 7 Repeat Function page 10 4 2 8 Backlit Display option page 10 4 2 9 Help Mode page 10 5 Calculations page 10 5 1 Standard Arithmetic Functions page 11 5 2 Advanced Arithmetic Func...

Page 3: ...Values page 17 6 Statistics page 17 6 1 Keyboard Layout in Statistic Mode page 17 6 2 Usage of the Statistic Functions page 18 6 3 Help in Statistic Mode page 19 6 4 Faculty page 19 7 Menu page 20 7 1...

Page 4: ...with parenthesis 10 memory spaces Reciprocal value Percentages Square raise to higher power and extract roots Calculation of compound interest cash values and annuities Conversion of currency and phy...

Page 5: ...cluded is farthest away from you and the other one is a service outled for our technicians Bottom side On the bottom side of the device you will find 4 rubber bumpers the loudspeaker grill and the bat...

Page 6: ...to the auxiliary keys there is the 3 x 3 group To the right the 4 x 4 group is located The 4 x 4 group consists of 4 rows with 4 squared keys the 3 x 3 group consists of 3 rows with 3 squared keys Ea...

Page 7: ...hird level shift 3 Press the shift key several times to switch between all the 3 levels When entering base level a short beep signal is played 4 1 1 The 4 Auxiliary Keys With respect to the XL product...

Page 8: ...rccosine row 1 column 3 digit 9 level 2 tangent level 3 arctangent row 1 right key short divided by long modulo level 2 change display row 2 left key digit 4 level 2 hyperbolic sine level 3 area hyper...

Page 9: ...ld all 3 keys of the first row in the 3 x 3 group until you hear a short jingle 4 2 2 Menu Escape Function To escape the menu quickly press the ON key 3 x 3 group top right 4 2 3 Delete Last Digit Del...

Page 10: ...u could turn the light on and off by pressing the auxiliary key in row 1 4 2 9 Help Mode Pressing the keys square and root at the same time 3 x 3 group row 2 left and right keys leads you into the hel...

Page 11: ...centages extract square roots or square a given number 5 2 1 Percentages When calculating percentages the following approaches are most common Calculation Example Input Percent How much is 5 of 250 25...

Page 12: ...nd press and hold the change sign key 3 x 3 group row 3 right key followed by the equals key 5 2 5 Pi To calculate with the number Pi press digit key 3 in level 2 3 x 3 group row 1 left key and than i...

Page 13: ...mn 3 in 4 x 4 group and numerical key 9 in level 2 respectively 5 3 4 Arcsine level 3 row 1 left key in 4 x 4 group and numerical key 7 in level 3 respectively 5 3 5 Arccosine level 3 row 1 column 2 i...

Page 14: ...ctively 5 3 16 10 to the Power of x level 3 row 3 column 2 in 4 x 4 group and numerical key 2 in level 3 respectively 5 4 Conversions Due to the default conversion settings the conversion function ena...

Page 15: ...nu key 3 x 3 group row 2 middle key and type in the conversion rate you need Confirm by shortly pressing the middle key You can now calculate with your individual conversion rate 5 5 Financial Calcula...

Page 16: ...nnounce the net present value 5 5 3 Annuity The term annuity is used in finance theory to refer to any terminating stream of regular payments over a specified period of time Example You obtain a credi...

Page 17: ...ocations 5 6 2 Select Stored Values Use the function recall memory short press on the middle button of the first row in 3 x 3 group and then press the corresponding number key to select the value from...

Page 18: ...ciprocal values In 4 x 4 group there are the numerical keys and the operator keys minus and plus are set with the following functions row 3 right key subtract a number row 4 right key add a number 6 2...

Page 19: ...the right parenthesis key 3 x 3 group row 3 middle key output number of values result 3 Exit the statistic mode with the menu key in level 2 3 x 3 group top left key and than the tactile middle key 6...

Page 20: ...menu key To choose one of the menu functions press and hold the menu key again The same way you could navigate in each submenu Exit Menu Press the ON key 3 x 3 group top right to leave the menu or an...

Page 21: ...ecimal places2 and set the preferred number by shortly pressing the left or right key of row 2 in the 3 x 3 group The higher the number the more units will be after the comma Confirm the setting by sh...

Page 22: ...s a unit of plane angle equivalent to 1 400 of a full circle Display GRAD english grad german Gon 7 2 6 Clock Setting of Time Date and Alarm In the submenu clock you can setup the actual time the date...

Page 23: ...pounds including batteries Power Supply 4 x 1 5 V AA batteries optional power supply not included in delivery Included in Delivery Platon XL 4 x 1 5V AA batteries printed user s manual optional power...

Page 24: ...the right to make changes and improvements to its products without further notice 12 Disposal 12 1 Disposal of Electronic Devices 12 2 Battery Disposal Pb Cd Hg These signs can be found on contaminan...

Reviews: