Primary school calculators
TI-501
4.50
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The TI-106 II is the new basic calculator from Texas Instruments for primary school, featuring roots, percentages, change of sign and memory functions in addition to the 4 basic operations. The major benefits of the TI-106 II are the extra-large 2-line display which shows the calculation and result at a glance, the order of operation calculation and the dual power supply (solar and battery).