Activities/Abacus: Difference between revisions

Line 28:

From left to right:

:project-toolbar button

* project-toolbar button

:saupan button (Chinese abacus)

* saupan button (Chinese abacus)

:soroban button (Japanese abacus)

* soroban button (Japanese abacus)

:schety button (Russian abacus)

* schety button (Russian abacus)

:nepohualtzintzin button (Mayan abacus)

* nepohualtzintzin button (Mayan abacus)

:binary button (binary abacus)

* binary button (binary abacus)

:hexadecimal button (hexadecimal abacus)

* hexadecimal button (hexadecimal abacus)

:fraction button (fraction abacus)

* fraction button (fraction abacus)

:customization-toolbar button

* customization-toolbar button

:stop button not shown

* stop button not shown

[[Image:Abacus-custom-toolbar.png|left]]

From left to right:

:select the number of rods

* select the number of rods

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

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

:select the number of beads on the bottom 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 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.

* 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.

== How to use an abacus ==

@@ Line 28: / Line 28: @@
 From left to right:
-:project-toolbar button
+* project-toolbar button
-:saupan button (Chinese abacus)
+* saupan button (Chinese abacus)
-:soroban button (Japanese abacus)
+* soroban button (Japanese abacus)
-:schety button (Russian abacus)
+* schety button (Russian abacus)
-:nepohualtzintzin button (Mayan abacus)
+* nepohualtzintzin button (Mayan abacus)
-:binary button (binary abacus)
+* binary button (binary abacus)
-:hexadecimal button (hexadecimal abacus)
+* hexadecimal button (hexadecimal abacus)
-:fraction button (fraction abacus)
+* fraction button (fraction abacus)
-:customization-toolbar button
+* customization-toolbar button
-:stop button not shown
+* stop button not shown
 [[Image:Abacus-custom-toolbar.png|left]]
 From left to right:
-:select the number of rods
+* select the number of rods
-:select the number of beads on the top of the frame
+* select the number of beads on the top of the frame
-:select the number of beads on the bottom 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 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.
+* 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.
 == How to use an abacus ==