diff --git a/programs/other/calcplus/calcplus.asm b/programs/other/calcplus/calcplus.asm
index 9da123b0e4..32d5aaee01 100644
--- a/programs/other/calcplus/calcplus.asm
+++ b/programs/other/calcplus/calcplus.asm
@@ -1,4 +1,4 @@
-    VERSION equ "0.4Å"
+    VERSION equ "0.5"
 
     use32
     org     0
@@ -9,15 +9,27 @@
     include "../../macros.inc"
     include "../../dll.inc"
     include "../../develop/libraries/box_lib/trunk/box_lib.mac"
-;    include "../../debug.inc"
+  ;  include "../../debug.inc"
     include "parser.inc"
 
  ;===============================
 
-    sz_cont db "?#"
+    LIST_ITEM_SIZE   equ 16
+    LIST_ITEM_COUNT  equ 6
+    LIST_SIZE	     equ LIST_ITEM_SIZE * LIST_ITEM_COUNT
+    LIST_ITEM_COLOR1 equ dword [scn.btn_face]
+    LIST_ITEM_COLOR2 equ dword [scn.win_face]
+    LIST_ITEM_TEXT1  equ dword [scn.btn_text]
+    LIST_ITEM_TEXT2  equ dword [scn.win_text]
+    LIST_ITEM_Y      equ LIST_ITEM_SIZE / 2 - 3
+
+    KEYB_SIZE	     equ 140
+
+    sz_cont db "Keyboard ", 0x10
     sz_head db "Calc+ [v", VERSION, "]", 0
-;    buttons db "789456123()%^-+/*0"
-    edb1    edit_box 184, 8, 12, 0, 0, 0, 0, 0, 500, \
+    btn_clr db ""
+    buttons db "|%^*/-+)(=7894561230"
+    edb1    edit_box 0, 8, 12, 0, 0, 0, 0, 0, 480, \
 		     exp, group, ed_always_focus + ed_focus, 0, 0
 
  imports:
@@ -58,69 +70,40 @@
     cmp     eax, EV_MOUSE
     je	    ev_mouse
 
-    dec     [timer]
-    cmp     [timer], 0
-    je	    calc
-
     jmp     update
 
  ;----------------------
 
  ev_redraw:
-    mov     edx, [scn.win_body]
+    mcall   12, 1
+
+ ; WINDOW
+    mov     edx, [scn.win_face]
     or	    edx, 0x34 shl 24
-    mcall   0, <100, 236 + 100>, <100, 164 - 102>, , , sz_head
+    mcall   0, <100, 236 + 100 - 50 - 25>, <100, 66 + LIST_SIZE>, , , sz_head
 
-    mcall   8, <275, 12>, <-17, 12>, 2 + 1 shl 30
-    sub     ebx, 12 shl 16
-    inc     edx
-    mcall
-
-    mcall   4, <279, -14>, [scn.win_title], sz_cont, 1
-    add     ebx, 1 shl 16
-    mcall
-
-    sub     ebx, 13 shl 16
-    inc     edx
-    mcall
+ ; TOOLBAR
+    mov     ebx, (275 - 50 - 25 - 50) shl 16 + 64
+    cmp     [keyb], byte 1
+    jne     @f
+    add     ebx, KEYB_SIZE shl 16
+  @@:
+    mcall   8, , <-17, 12>, 2 + 1 shl 30
+    add     ebx, 4 shl 16 - (64 + 14)
+    mcall   4, , [scn.win_title], sz_cont, 10
 
+ ; CONTENT
     call    draw_textbox
+    call    draw_keyb
+    call    draw_list
 
-;    mov     [but_id], 0x0000000A
-;    mov     [txt_id], buttons
-;    mov     [txt_x], 16
-;    mov     [but_w], 38
-;    stdcall draw_button,   4,  42
-;    stdcall draw_button,  46,  42
-;    stdcall draw_button,  88,  42
-;    stdcall draw_button,   4,  66
-;    stdcall draw_button,  46,  66
-;    stdcall draw_button,  88,  66
-;    stdcall draw_button,   4,  90
-;    stdcall draw_button,  46,  90
-;    stdcall draw_button,  88,  90
-;    stdcall draw_button,  88, 114
-;
-;    stdcall draw_button, 144,  42
-;    stdcall draw_button, 186,  42
-;    stdcall draw_button, 144,  66
-;    stdcall draw_button, 186,  66
-;    stdcall draw_button, 144,  90
-;    stdcall draw_button, 186,  90
-;    stdcall draw_button, 144, 114
-;    stdcall draw_button, 186, 114
-
-;    mov     [txt_x], 37
-;    mov     [but_w], 80
-;    stdcall draw_button,   4, 114
+    mcall   12, 2
 
     jmp     update
 
  ;----------------------
 
  ev_key:
-    mov     [timer], 10
-
     mcall   2
     cmp     ah, 27
     je	    exit
@@ -132,16 +115,15 @@
  ;----------------------
 
  ev_button:
-    mov     [timer], 10
-
     mcall   17
 
+ ; EXIT
     cmp     ah, 1
     je	    exit
 
-    cmp     ah, 19
+ ; DELETE
+    cmp     ah, 4
     jne     .not_del
- .del:
     cmp     [edb1.pos], 0
     je	    update
     mov     eax, exp
@@ -164,33 +146,112 @@
     jmp     .redraw
  .not_del:
 
-;    cmp     ah, 10
-;    jl      update
-;    cmp     ah, 50
-;    jg      update
-;
-;    movzx   eax, ah
-;    add     eax, buttons
-;    sub     eax, 10
-;    mov     al, [eax]
-;
-;    mov     ebx, exp
-;    add     ebx, [edb1.size]
-;    mov     ecx, exp
-;    add     ecx, [edb1.pos]
-;  @@:
-;    cmp     ebx, ecx
-;    je      @f
-;    mov     dl, [ebx - 1]
-;    mov     [ebx], dl
-;    dec     ebx
-;    jmp     @b
-;  @@:
-;
-;    mov     [ebx], al
-;    inc     [edb1.size]
-;    inc     [edb1.pos]
+ ; SHOW/HIDE KEYBOARD
+    cmp     ah, 2
+    jne     .not_keyb
 
+    cmp     [keyb], byte 0
+    je	    .open
+
+    mcall   67, -1, -1, 286 - 25, -1
+    mov     [keyb], 0
+    mov     [sz_cont + 9], byte 0x10
+    jmp     ev_redraw
+
+ .open:
+    mcall   67, -1, -1, 286 - 25 + KEYB_SIZE, -1
+    mov     [keyb], 1
+    mov     [sz_cont + 9], byte 0x11
+    jmp     ev_redraw
+
+    jmp     update
+ .not_keyb:
+
+ ; CALCULATE
+    cmp     ah, 19
+    je	    calc
+
+ ; LIST
+    cmp     ah, 0x60
+    jl	    .not_list
+
+    sub     ah, 0x60
+    movzx   ebx, ah
+    imul    ebx, 512
+    add     ebx, history
+    add     ebx, 482
+    stdcall str_len, ebx
+
+    mov     edx, exp
+    add     edx, [edb1.size]
+    add     edx, eax
+    mov     edi, exp
+    add     edi, [edb1.pos]
+  @@:
+    cmp     edx, edi
+    je	    @f
+    mov     esi, edx
+    sub     esi, eax
+    push    eax
+    mov     al, [esi]
+    mov     [edx], al
+    pop     eax
+    dec     edx
+    jmp     @b
+  @@:
+    add     [edb1.size], eax
+
+  @@:
+    cmp     eax, 0
+    je	    @f
+    mov     cl, [ebx]
+    mov     [edi], cl
+    inc     edi
+    inc     ebx
+    dec     eax
+    inc     [edb1.pos]
+    jmp     @b
+  @@:
+
+    jmp     .redraw
+ .not_list:
+
+ ; KEYBOARD
+    cmp     ah, 10
+    jl	    update
+    cmp     ah, 50
+    jg	    update
+    mov     dh, ah
+
+    mov     ebx, exp
+    add     ebx, [edb1.size]
+    mov     ecx, exp
+    add     ecx, [edb1.pos]
+    cmp     dh, 30
+    jl	    @f
+    add     ebx, 2
+  @@:
+    cmp     ebx, ecx
+    je	    @f
+    mov     dl, [ebx - 1]
+    mov     [ebx], dl
+    dec     ebx
+    jmp     @b
+  @@:
+
+    movzx   eax, dh
+    add     eax, buttons
+    sub     eax, 10
+    mov     al, [eax]
+
+    mov     [ebx], al
+    inc     [edb1.size]
+    inc     [edb1.pos]
+    cmp     dh, 30
+    jl	    @f
+    add     [edb1.size], 2
+    add     [edb1.pos], 2
+  @@:
  .redraw:
     call    draw_textbox
     jmp     update
@@ -219,11 +280,52 @@
 
     stdcall convert_to_str, eax, ans.buffer + 2
     add     eax, 2
+    mov     edi, eax
     imul    eax, 6
     add     eax, 9
     mov     [ans.size], eax
+
+ ; HISTORY
+    mov     ecx, LIST_ITEM_COUNT - 1
+    mov     eax, history
+    add     eax, (LIST_ITEM_COUNT - 1) * 512
+  @@:
+    mov     ebx, eax
+    sub     ebx, 512
+    stdcall str_cpy, ebx, eax
+    add     ebx, 480
+    add     eax, 480
+    stdcall str_cpy, ebx, eax
+    sub     ebx, 480
+    sub     eax, 480
+    mov     esi, [ebx + 508]
+    mov     [eax + 508], esi
+    sub     eax, 512
+    loop    @b
+
+    stdcall str_cpy, exp, history
+    stdcall str_cpy, ans.buffer, history + 480
+    mov     esi, [ans.size]
+    mov     dword[history + 508], esi
+    not     [his_even]
+
+ ; Check length
+    mov     esi, 37
+    sub     esi, edi
+    stdcall str_len, exp
+    sub     esi, eax
+    cmp     esi, 0
+    jg	    .redraw
+
+    mov     ebx, history
+    add     ebx, eax
+    add     ebx, esi
+    mov     [ebx], dword ".."
+
     jmp     .redraw
 
+ ; ERRORS
+
  .error:
     cmp     [error_n], 1
     je	    .err_1
@@ -240,6 +342,8 @@
     je	    .redraw
     cmp     [error_n], 3
     je	    .err_3
+    cmp     [error_n], 5
+    je	    .err_5
  .err_1:
     mov     [ans.buffer +  0], dword "Div."
     mov     [ans.buffer +  4], dword " by "
@@ -257,52 +361,53 @@
  .err_3:
     mov     [ans.buffer + 10], byte "("
     jmp     .redraw
+ .err_5:
+    mov     [ans.buffer + 10], byte "|"
+    jmp     .redraw
 
  .redraw:
     call    draw_textbox
+    call    draw_list
     jmp     update
 
  ;----------------------
 
-; proc draw_button, x, y
-;    mcall   8, <[x], [but_w]>, <[y], 20>, [but_id], [scn.btn_face]
-;
-;    mcall   1, [x], [y], [scn.win_face]
-;    add     ebx, [but_w]
-;    mcall
-;    add     ecx, 20
-;    mcall
-;    sub     ebx, [but_w]
-;    mcall
-;
-;    mov     ebx, [x]
-;    add     ebx, [txt_x]
-;    shl     ebx, 16
-;    add     ebx, [y]
-;    add     ebx, 7
-;    mcall   4, , [scn.win_text], [txt_id], 1
-;
-;    inc     dword [txt_id]
-;    inc     dword [but_id]
-;
-;    ret
-; endp
+ proc draw_button, x, y
+    mcall   8, <[x], 30>, <[y], 21>, [but_id], [but_c]
+
+    mov     ebx, [x]
+    mov     esi, [txt_size]
+    imul    esi, 3
+    mov     edi, 16
+    sub     edi, esi
+    add     ebx, edi
+    shl     ebx, 16
+    add     ebx, [y]
+    add     ebx, 7
+    mcall   4, , [but_tc], [txt_id], [txt_size]
+
+    mov     eax, [txt_size]
+    add     [txt_id], eax
+    inc     dword [but_id]
+
+    ret
+ endp
 
  ;----------------------
 
  proc draw_textbox
-    mcall   13, <4, 320>, <  8,  23>, [scn.gui_frame]
+    mcall   13, <4, 320 - 50 - 25>, <  8,  23>, [scn.gui_frame]
     mov     edx, [scn.gui_face]
     cmp     [error_n], 0
     je	    @f
     mov     edx, 0xFFAAAA
   @@:
-    mcall   13, <  5, 318>, <  9, 21>
-    mcall     , <  5, 318>, <  9,  1>, [scn.3d_face]
+    mcall   13, <  5, 318 - 50 - 25>, <  9, 21>
+    mcall     , <  5, 318 - 50 - 25>, <  9,  1>, [scn.3d_face]
     mcall     , <  5,	1>, < 10, 20>
-    mcall     , <  5, 318>, < 31,  1>, [scn.3d_light]
+    mcall     , <  5, 318 - 50 - 25>, < 31,  1>, [scn.3d_light]
 
-    mov      ebx, 328
+    mov      ebx, 328 - 16 - 50 - 25
     sub      ebx, [ans.size]
     shl      ebx, 16
     add      ebx, 16
@@ -310,12 +415,19 @@
     or	     ecx, 1 shl 31
     mcall    4, , , ans.buffer
 
+    mov      ecx, [scn.gui_text]
+    mcall     , <310 - 50 - 25, 16>, , btn_clr, 1
+    add      ebx, 1 shl 16
+    mcall
+
+    mcall    8, <305 - 50 - 25, 17>, <9, 20>, 0x40000004
+
     mcall    1,   4,  8, [scn.win_body]
-    mcall     , 323
+    mcall     , 323 - 50 - 25
     mcall     ,    , 30, [scn.3d_light]
     mcall     ,   4
 
-    mov     ebx, 318
+    mov     ebx, 318 - 16 - 50 - 25
     sub     ebx, [ans.size]
     cmp     ebx, 24
     jg	    @f
@@ -336,6 +448,172 @@
 
  ;----------------------
 
+ proc draw_keyb
+    cmp     [keyb], byte 0
+    je	    @f
+
+    mov     [txt_size], 1
+    mov     [but_id], 0x0000000A
+    mov     [txt_id], buttons
+
+    mov     eax, [scn.win_face]
+    mov     [but_c], eax
+    mov     eax, [scn.win_text]
+    mov     [but_tc], eax
+    stdcall draw_button,   4 + 278 - 25,  42 - 25 - 8
+    stdcall draw_button,  37 + 278 - 25,  42 - 25 - 8
+    stdcall draw_button,  70 + 278 - 25,  42 - 25 - 8
+    stdcall draw_button, 103 + 278 - 25,  42 - 25 - 8
+    stdcall draw_button, 103 + 278 - 25,  66 - 25 - 8
+    stdcall draw_button, 103 + 278 - 25,  90 - 25 - 8
+    stdcall draw_button, 103 + 278 - 25, 114 - 25 - 8
+    stdcall draw_button,  70 + 278 - 25, 139 - 25 - 8
+    stdcall draw_button,  37 + 278 - 25, 139 - 25 - 8
+
+    mov     eax, [scn.btn_inface]
+    mov     [but_c], eax
+    mov     eax, [scn.btn_intext]
+    mov     [but_tc], eax
+    stdcall draw_button, 103 + 278 - 25, 139 - 25 - 8
+
+    mov     eax, [scn.btn_face]
+    mov     [but_c], eax
+    mov     eax, [scn.btn_text]
+    mov     [but_tc], eax
+    stdcall draw_button,   4 + 278 - 25,  66 - 25 - 8
+    stdcall draw_button,  37 + 278 - 25,  66 - 25 - 8
+    stdcall draw_button,  70 + 278 - 25,  66 - 25 - 8
+    stdcall draw_button,   4 + 278 - 25,  90 - 25 - 8
+    stdcall draw_button,  37 + 278 - 25,  90 - 25 - 8
+    stdcall draw_button,  70 + 278 - 25,  90 - 25 - 8
+    stdcall draw_button,   4 + 278 - 25, 114 - 25 - 8
+    stdcall draw_button,  37 + 278 - 25, 114 - 25 - 8
+    stdcall draw_button,  70 + 278 - 25, 114 - 25 - 8
+    stdcall draw_button,   4 + 278 - 25, 139 - 25 - 8
+
+  @@:
+    ret
+ endp
+
+ ;----------------------
+
+ proc draw_list
+  ; BACKGROUND
+    mov     edi, LIST_ITEM_COUNT
+    mov     eax, 13
+    mov     ebx, 4 shl 16 + 320 - 50 - 25
+    mov     ecx, 37 shl 16 + LIST_ITEM_SIZE
+    mov     edx, LIST_ITEM_COLOR1
+    cmp     [his_even], byte 0
+    je	    @f
+    mov     edx, LIST_ITEM_COLOR2
+  @@:
+    mcall
+    add     ecx, LIST_ITEM_SIZE shl 16
+    cmp     edx, LIST_ITEM_COLOR1
+    je	    .set_color_to_2
+    mov     edx, LIST_ITEM_COLOR1
+    jmp     .next
+ .set_color_to_2:
+    mov     edx, LIST_ITEM_COLOR2
+ .next:
+    dec     edi
+    cmp     edi, 0
+    jne     @b
+
+  ; BUTTONS
+    mov     edi, LIST_ITEM_COUNT
+    mov     eax, 8
+    mov     ebx, 4 shl 16 + 320 - 50 - 25
+    mov     ecx, 37 shl 16 + LIST_ITEM_SIZE
+    mov     edx, 0x40000060
+  @@:
+    mcall
+    add     ecx, LIST_ITEM_SIZE shl 16
+    inc     edx
+    dec     edi
+    cmp     edi, 0
+    jne     @b
+
+  ; TEXT
+    mov     edi, LIST_ITEM_COUNT
+    mov     eax, 4
+    mov     ebx, 8 shl 16 + 37 + LIST_ITEM_Y
+    mov     ecx, LIST_ITEM_TEXT1
+    cmp     [his_even], byte 0
+    je	    @f
+    mov     ecx, LIST_ITEM_TEXT2
+  @@:
+    or	    ecx, 1 shl 31
+    mov     edx, history
+  @@:
+    mcall
+
+    push    ebx
+    add     ebx, (320 - 50 - 25) shl 16
+    mov     esi, [edx + 508]
+    shl     esi, 16
+    sub     ebx, esi
+    add     edx, 480
+    mcall
+    pop     ebx
+
+    add     edx, 32
+    add     ebx, LIST_ITEM_SIZE
+
+    and     ecx, 0xFFFFFF
+    cmp     ecx, LIST_ITEM_TEXT2
+    je	    .set_color_to_2_txt
+    mov     ecx, LIST_ITEM_TEXT2
+    jmp     .next_txt
+ .set_color_to_2_txt:
+    mov     ecx, LIST_ITEM_TEXT1
+ .next_txt:
+    or	    ecx, 1 shl 31
+
+    dec     edi
+    cmp     edi, 0
+    jne     @b
+
+    ret
+ endp
+
+ ;----------------------
+
+ proc str_len uses ebx, str
+    xor     eax, eax
+    mov     ebx, [str]
+  @@:
+    cmp     [ebx], byte 0
+    je	    @f
+    inc     eax
+    inc     ebx
+    jmp     @b
+  @@:
+
+    ret
+ endp
+
+ ;----------------------
+
+ proc str_cpy uses eax ebx ecx, from, to
+    mov     eax, [from]
+    mov     ebx, [to]
+  @@:
+    cmp     [eax], byte 0
+    je	    @f
+    mov     cl, [eax]
+    mov     [ebx], cl
+    inc     eax
+    inc     ebx
+    jmp     @b
+  @@:
+    mov     [ebx], byte 0
+    ret
+ endp
+
+ ;----------------------
+
  dataend:
 
  ;===============================
@@ -343,20 +621,27 @@
 	    rb 2048
  stacktop:
 
- exp	    rb 512
+ exp	    rb 480
  exp_pos    rd 1
  exp_lvl    rd 1
+ abs_lvl    rd 1
  group	    rd 1
 
- ans.buffer:rb 512
+ ans.buffer:rb 480
  ans.size   rd 1
  error_n    rd 1
 
  scn	    sys_colors_new
  timer	    rd 1
  but_id     rd 1
- but_w	    rd 1
+ but_c	    rd 1
+ but_tc     rd 1
  txt_id     rd 1
- txt_x	    rd 1
+ txt_size   rd 1
+ keyb	    rb 1
+
+ his_even   rb 1
+ history    rb 512 * LIST_ITEM_COUNT
+	    rb 512
 
  memory:
diff --git a/programs/other/calcplus/parser.inc b/programs/other/calcplus/parser.inc
index 9c6fe21473..0dcd263e00 100644
--- a/programs/other/calcplus/parser.inc
+++ b/programs/other/calcplus/parser.inc
@@ -46,6 +46,8 @@
     je	    .end
     cmp     [ebx], byte ")"
     je	    .brk_end
+    cmp     [ebx], byte "|"
+    je	    .abs_end
     inc     [exp_pos]
     cmp     [ebx], byte "+"
     jne     .not_add
@@ -69,6 +71,13 @@
     set_err 3
   @@:
     dec     [exp_lvl]
+    jmp     .end
+ .abs_end:
+    cmp     [abs_lvl], 0
+    jne     @f
+    set_err 5
+  @@:
+    dec     [abs_lvl]
  .end:
     ret
  .unexp_char:
@@ -180,6 +189,24 @@
  .brk_ok:
     inc     [exp_pos]
     jmp     .end
+  @@:
+    cmp     [ebx], byte "|"
+    jne     @f
+    inc     [abs_lvl]
+    stdcall parse_lvl0
+    test_err
+    mov     ebx, exp
+    add     ebx, [exp_pos]
+    cmp     [ebx], byte "|"
+    je	    .abs_ok
+    set_err 5
+ .abs_ok:
+    inc     [exp_pos]
+    cmp     eax, 0
+    jge     .end
+    not     eax
+    inc     eax
+    jmp     .end
   @@:
     cmp     [ebx], byte "+"
     jne     @f