The EL-506TS advanced scientific calculator has 470 built-in functions and is designed for high school and university students. The 2-line monitor allows you to view and edit results, while the hard plastic case protects against mechanical damage. It comes in two colors with white and orange trim.

Basic description:

• Monitor type: 2 linear
• Number of displayed digits: 10
• Power source: Solar battery
• Type of batteries: LR44 x1
• Automatic shutdown: Yes
• Keys: Plastic
• Protective: Yes
• Dimensions: 161 x 80 x 15 mm
• Weight: 110 g

Mathematical functions:

• Number of embedded functions: 470
• Data entry system: Algebraic %, 1/x, x², element: Yes
• Pi key: Yes
• Greatest common divisor, least common multiple: No
• Sharing with others: No
• Fractions: Yes
• Table of functional values: No
• Calculation of computational equations: Yes
• Removing equation layouts: Yes
• Calculations with matrices, vectors: Yes
• Denoted integrals and derivative value: Yes
• Grouped numbers: Yes
• Drill function (DRILL): No
• Memory: Edit previous results: Yes
• Restore last result (ANS): Yes
• Amount of memory: 9
• Notation and number of decimal digits: SCI, ENG, FIX: Yes
• Separation of thousands: Yes

Statistical functions:

• Univariate statistics: Yes
• Bivariate statistics: Yes
• Regression models: 6
• Mean, standard deviation: Yes
• Combinations, variations, strength: Yes
• Random numbers: Yes

Trigonometric functions:

• Angular units (DEG/SPACE/HAIL): Yes
• Sin, cos, tan and inverse functions: Yes
• Hyperbolic functions: Yes
• Calculation of degrees, minutes and seconds: Yes
• Cartesian and polar coordinate conversion: Yes

Digital layouts:

• BIN, OCT, HEX, PEN systems calculation: Yes
• Logical operators (AND, OR, NOT, NEG, XOR): Yes

Scientific functions:

• Unit conversion: Yes
• Library of scientific constants: Yes.