This scientific calculator is designed for engineers mathematicians
and students who need accurate and versatile calculation tools. It
combines a user-friendly interface with a wide range of
mathematical functions for algebra physics and engineering tasks.
Because it works completely offline it remains available whenever
you need it.
Intuitive & Efficient
Effortless Input & Editing
Easily enter and edit expressions using copy cut paste and selection tools.
Save & Export
Save expressions for later use or export them as PNG images for sharing.
Copy Results
Quickly copy calculation results to the clipboard.
Customizable Fonts
Choose your preferred font style for better readability.
Undo & Redo
Correct mistakes instantly with undo and redo actions.
Core Functions
🔢 Number Systems & Conversions
Calculations with fractions mixed fractions and recurring decimals
Conversion between periodic decimals and fractions
Base conversions and operations for binary ternary octal decimal hexadecimal and base-n systems
📐 Algebra & Trigonometry
Trigonometric and hyperbolic functions (sin cos tan sh ch etc.)
Support for degrees minutes and seconds (° ′ ″)
Square roots n-th roots exponentiation and absolute values
📊 Advanced Mathematics
Matrices & Vectors: determinant rank inverse and vector operations
Complex Numbers: addition subtraction multiplication and division
Calculus: limits and definite integrals
Logarithms: natural (ln) common (lg) and custom bases
🧮 Statistics & Combinatorics
Combinations permutations and factorials
Least common multiple (LCM) and greatest common divisor (GCD)
Sum (Σ) and product (Π) of sequences
Whether you are studying preparing for exams or working on professional projects this calculator provides a reliable and efficient environment for mathematical computation.
Intuitive & Efficient
Effortless Input & Editing
Easily enter and edit expressions using copy cut paste and selection tools.
Save & Export
Save expressions for later use or export them as PNG images for sharing.
Copy Results
Quickly copy calculation results to the clipboard.
Customizable Fonts
Choose your preferred font style for better readability.
Undo & Redo
Correct mistakes instantly with undo and redo actions.
Core Functions
🔢 Number Systems & Conversions
Calculations with fractions mixed fractions and recurring decimals
Conversion between periodic decimals and fractions
Base conversions and operations for binary ternary octal decimal hexadecimal and base-n systems
📐 Algebra & Trigonometry
Trigonometric and hyperbolic functions (sin cos tan sh ch etc.)
Support for degrees minutes and seconds (° ′ ″)
Square roots n-th roots exponentiation and absolute values
📊 Advanced Mathematics
Matrices & Vectors: determinant rank inverse and vector operations
Complex Numbers: addition subtraction multiplication and division
Calculus: limits and definite integrals
Logarithms: natural (ln) common (lg) and custom bases
🧮 Statistics & Combinatorics
Combinations permutations and factorials
Least common multiple (LCM) and greatest common divisor (GCD)
Sum (Σ) and product (Π) of sequences
Whether you are studying preparing for exams or working on professional projects this calculator provides a reliable and efficient environment for mathematical computation.
Show More >
SpecExp Advanced Calculator / What's New in vUnknown
Scrolling is now smoother
Selection is now more accurate
Selection is now more accurate
