Changes

=== The toolbars ===

=== The toolbars ===

From left to right:

;project-toolbar button: see below

;edit-toolbar button: see below

;abacus-toolbar button: see below

;customization-toolbar button

|From left to right:

;clear button: clear the abacus

* project-toolbar button

;stop button: exit the activity

* edit-toolbar button

 

* abacus-toolbar button

[[Image:Abacus Toolbar 2.png|800px]]

* customization-toolbar button

 

* clear button (clear the abacus)

From left to right:

* stop button

;copy: copy current value to clipboard

;paste: paste a value from the clipboard into the abacus

|[[Image:Abacus Toolbar 2.png]]

 

[[Image:Abacus Toolbar 3.png|800px]]

|From left to right:

 

* copy (copy current value to clipboard)

From left to right:

* paste (paste a value from the clipboard into the abacus)

;decimal button: decimal abacus

;soroban button: Japanese abacus

|[[Image:Abacus Toolbar 3.png]]

;saupan button: Chinese abacus

;nepohualtzintzin button: Mayan abacus

|From left to right:

;hexadecimal button: hexadecimal abacus

* decimal button (decimal abacus)

;binary button: binary abacus

* soroban button (Japanese abacus)

;schety button: Russian abacus

* saupan button (Chinese abacus)

;fraction button: fraction abacus

* nepohualtzintzin button (Mayan abacus)

;Caacupe button: fraction abacus with +/–

* hexadecimal button (hexadecimal abacus)

;rod button: Cuisenaire-like abacus

* binary button (binary abacus)

;custom button: your custom abacus

* schety button (Russian abacus)

 

* fraction button (fraction abacus)

[[Image:Abacus Toolbar 4.png]]

* Caacupe button (fraction abacus with +/–)

 

* rod button (Cuisenaire-like abacus)

From left to right:

* custom button (your custom abacus)

;rods: select the number of rods:

;top beads: select the number of beads on the top of the frame

|[[Image:Abacus Toolbar 4.png]]

;bottom: select the number of beads on the bottom of the frame

;factor: select the multiplication factor of top beads (e.g., on the Chinese abacus, each top bead counts as 5× the value of a bottom bead on the same rod)

|From left to right:

;base: select the base to determine the value of bottom beads across rods; this is 10 on most conventional abacuses, but 20 on the Mayan abacus, 16 on the hexadecimal abacus, and 2 on the binary abacus.

* select the number of rods

;create: you must push this button to activate the selections you've made

* select the number of beads on the top of the frame

 

* select the number of beads on the bottom of the frame

* select the multiplication factor of top beads (e.g., on the Chinese abacus, each top bead counts as 5× the value of a bottom bead on the same rod)

* select the base to determine the value of bottom beads across rods; this is 10 on most conventional abacuses, but 20 on the Mayan abacus, 16 on the hexadecimal abacus, and 2 on the binary abacus.

* new-abacus button (you must push this button to activate the selections you've made)

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