SpecExp Calculator

Scientific calculator for engineers and mathematicians.

📘 SCIENTIFIC CALCULATOR FOR ENGINEERS AND MATHEMATICIANS

This advanced, all-in-one scientific calculator is designed to meet the needs of engineers, mathematicians, and students. With a user-friendly interface and powerful features, it simplifies complex calculations for algebra, physics, and engineering tasks. Works offline, so you’re never left without a reliable tool when you need it most.

📋 KEY FEATURES

• Intuitive Input & Editing – Effortlessly enter and edit expressions with support for copy, cut, paste, and selection tools.

• Save & Export Expressions – Save your expressions and export them as PNG images.

• Pinch-to-Zoom – Zoom in and out for better readability and precision.

• Copy Answers – Quickly copy calculation results to your clipboard.

• Decimal & Fraction View – Display results as either decimals or fractions.

• Undo & Redo – Instantly revert or reapply changes while editing.

• Customizable Fonts – Choose your preferred font style for a personalized experience.

📐 SUPPORTED FUNCTIONS

🔢 COMPREHENSIVE NUMBER SUPPORT

• Calculations with mixed, improper fractions, and recurring decimals (periodic numbers)

• Convert periodic numbers to fractions and vice versa

• Base conversions and operations for binary, ternary, octal, decimal, hexadecimal, and base-n systems

📐 ALGEBRA & TRIGONOMETRY

• Trigonometric functions: sin, cos, tan, cot

• Inverse trigonometric functions: asin, acos, atan, acotan

• Secant and cosecant: sec, csc

• Hyperbolic functions: sh, ch, th, cth

• Degree, minute, and second support (° ’ ‘’)

• Calculate square roots, n-th roots, exponentiation, modulus (|a|), and signum

📊 MATRIX & VECTOR CALCULATIONS

• Matrix determinant, rank, inverse, addition, subtraction, multiplication, and division

• Perform vector operations to simplify linear algebra tasks

⚙️ ENGINEERING FUNCTIONS

• Operations with complex numbers: addition, subtraction, multiplication, and division

• Calculate limits and definite integrals

📏 STATISTICS & COMBINATORICS

• Combinations, permutations, factorials (!), and arrangement calculations

• Calculate the least common multiple (LCM) and greatest common divisor (GCD) for fractions and integers

• Sum (Σ) and product (Π) of sequence elements

📚 LOGARITHMIC & EXPONENTIAL FUNCTIONS

• Natural logarithm (ln), common logarithm (lg), and custom logarithm (log)

• Constants π (Pi) and e (Euler’s Number) for precise mathematical expressions

🎓 USER-FRIENDLY INTERFACE

• Brackets for grouping expressions: ( ), [ ], { }

• Lightweight, simple, and offline — no need for an internet connection

• Ideal for school, university, and professional work

💡 WHY CHOOSE THIS CALCULATOR?

• Comprehensive & Versatile – Covers everything from basic calculations to advanced engineering tasks

• Simple & Lightweight – A fast, compact app that runs offline with no internet connection required

• Easy to Use – Designed for simplicity and efficiency, making it suitable for students, engineers, and mathematicians

• All-in-One Tool – No need for multiple apps — this calculator does it all

Whether you’re tackling school assignments or working on complex engineering problems, this calculator will make the process faster, easier, and more efficient.