General information

1 

main window always on top

2 

group digits of result number [5]

3 

number of fraction digits in calculation result [5]

4 

numeral system for number of calculation result:
"bin"  binary
"oct"  octal
"dec"  decimal
"hex"  hexadecimal

5 

calculation result

6 

math expression

7 


8 

sets of keyboard konfigured by user

9 

keys: digits, decimal separator ("."), separator of function
parameters (semicolon ";"), e.g: LogN(4;3)

10 

carry recult value [5] to math expression [6]

11 

calculator memory:
"M+"  add calculation result [5] to memory,
"M"  subrtact caldulation result [5] from memory,
"MR"  insert value of memory into expression [6],
"MC"  set memory to zero.
White field shows value of memory.

12 

panel for resize the window

13 

open new window for manage of user's variables

14 


15 

buttons of choosed keyboard's set

16 

delete all expression or it's selected part [6]

17 

two buttons: Undo and Redo

18 

calculations history: add or receive buttons

19 

correction of math expression [6]  letter size

20 

description of functions placed under kursor in math
expression

21 

three calculators with different math expressions
