Description : 

The ED991ES scientific calculator features a 2-line display and a slide cover. It can perform various functions such as metric conversions, scientific computations, trigonometric functions, complex number computations and more.

• Display as on Textbook
• Dual power
• Slide cover
• Auto power off
• Scientific constant
• Solve function
• Formula and Formula set
• Product Size :  17.19 × 8.3 × 1.75 cm
• Differential, Integration, Equation, Matrix, Vector calculation
• Complex number calculations (CMPLX)
• Metric conversions
• Calculates in BIN,OCT,DEG,HEX
• Converts BIN,OCT,DEG,HEX Variables
• Degree, radian, and grad conversion
• Trigonometric functions/inverse trigonometric functions
• 2-line display