Precise Calculator
Precise Calculator is a scientific calculator with basic functions like trigonometric, logarithms and base conversion. Also, statistic calculations like standard deviation and regression
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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If you are doing math and don't have a TI Programmable Calculator, you are at a disadvantage.
Texas Instruments TI-83 Plus Graphing Calculator; 64 H x 96mm W Screen