Custom Formulas vs SpecExp Calculator Usage & Stats

📘 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.