sci.calculator vs Relis Plus

A stylish yet powerful scientific calculator. The app is designed with a single-screen layout for simple and intuitive operation. Calculation history is saved and can be reused easily. Results are shown in both mathematical notation and decimal format. 【Main Features】 • Basic arithmetic, modulo, trigonometric functions • Exponential, logarithmic, power and root calculations • Unit conversion and 47 scientific constants (CODEC2022) • Prime factorization, GCD and LCM • Binary, octal and hexadecimal calculations with logical operations • 8 memory slots • Permutations, combinations, and pseudo-random numbers • Systems of linear equations (up to 4 variables) • Polynomial equations (up to 4th degree) • Equation solving using Newton’s method • Time and angle calculations • External keyboard support 【Designed for Ease of Use】 • Unit conversion includes intuitive units such as “Tokyo Dome volume,” light-years, and cooking measurements. • Choose from 6 color themes to match your iPhone or iPad. • Quick switching between RAD/DEG and number bases on a single screen. • Supports iPad multitasking, allowing calculations alongside other apps. Clean, readable, and efficient. A scientific calculator that combines functionality with a modern design.

Relis helps you break down your learning, notes, and tasks into small, manageable pieces — so you can keep going without burning out. Big goals and vague tasks are easy to abandon halfway through. Relis splits your content into small units and visualizes your progress, so you always know "how far should I go today?" and "where am I right now?" Key Features: Break learning content and tasks into granular, manageable steps A simple structure where progress is clear at a glance A continuation-first UI with minimal unnecessary steps Manage your daily learning, notes, and organization in one seamless flow From knowledge organization and language learning to certification study and daily skill-building — Relis gives you an environment where you can focus on what matters.