About this item

• 417 Computing Functions: Include CALC, SOlVE, Base-N, EQN, MATRIX, MATRIX, TABLE, VECTOR, fractions, variable statistics, complex number calculations, linear
• Rechargeable & Solar Power: The rechargeability battery is built in this scientific calculator. It is also powered by solar energy so you don't need to worry about battery depletion. Charging cable is included
• Natural Writing Function: Can input/output the content in writting form and tabular statistics
• 4-Line Display: You can enter 199 characters at a time. Show entry and calculated result in the display screen at same time. Covenient to use
• Scientific Calculator with Notepad: Come with a 6.5 inch writing tablet and a pen, allowing you to take notes while calculating. Press the delete button to erase the notes, and also can lock it to keep it (Slide the LOCK KEY)