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→Reading the abacus
The current value is always displayed on the frame. Experiment and you will quickly learn to write and read numbers.
The current value is always displayed on the frame. Experiment and you will quickly learn to write and read numbers.
'''Examples:''' In the gallery of images above, the number 54321 is shown on each of the different abaci.
'''Examples:''' In the gallery below, several simple examples are shown. In the gallery of images above, the number 54321 is shown on each of the different abaci.
<gallery>
File:Abacus-1.png|1 bottom bead is up, corresponding to 1 unit
File:Abacus-5.png|1 top bead is down, corresponding to 5 units
File:Abacus-5b.png|5 bottom beads are up, also corresponding to 5 units
File:Abacus-6.png|1 bottom bead is up and 1 top bead is down, corresponding to 6 units
File:Abacus-10.png|5 bottom beads are up and 1 top bead is down, corresponding to 10 units (time to "carry" to the left)
</gallery>
'''Note:''' The display always assumes a fixed unit column, but you can override this choice.
'''Note:''' The display always assumes a fixed unit column, but you can override this choice.