SpecExp Advanced Calculator

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.